| 1 | //===- ASTReader.cpp - AST File Reader ------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This file defines the ASTReader class, which reads AST files. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #include "clang/Basic/OpenMPKinds.h" |
| 14 | #include "clang/Serialization/ASTRecordReader.h" |
| 15 | #include "ASTCommon.h" |
| 16 | #include "ASTReaderInternals.h" |
| 17 | #include "clang/AST/AbstractTypeReader.h" |
| 18 | #include "clang/AST/ASTConsumer.h" |
| 19 | #include "clang/AST/ASTContext.h" |
| 20 | #include "clang/AST/ASTMutationListener.h" |
| 21 | #include "clang/AST/ASTUnresolvedSet.h" |
| 22 | #include "clang/AST/Decl.h" |
| 23 | #include "clang/AST/DeclBase.h" |
| 24 | #include "clang/AST/DeclCXX.h" |
| 25 | #include "clang/AST/DeclFriend.h" |
| 26 | #include "clang/AST/DeclGroup.h" |
| 27 | #include "clang/AST/DeclObjC.h" |
| 28 | #include "clang/AST/DeclTemplate.h" |
| 29 | #include "clang/AST/DeclarationName.h" |
| 30 | #include "clang/AST/Expr.h" |
| 31 | #include "clang/AST/ExprCXX.h" |
| 32 | #include "clang/AST/ExternalASTSource.h" |
| 33 | #include "clang/AST/NestedNameSpecifier.h" |
| 34 | #include "clang/AST/OpenMPClause.h" |
| 35 | #include "clang/AST/ODRHash.h" |
| 36 | #include "clang/AST/RawCommentList.h" |
| 37 | #include "clang/AST/TemplateBase.h" |
| 38 | #include "clang/AST/TemplateName.h" |
| 39 | #include "clang/AST/Type.h" |
| 40 | #include "clang/AST/TypeLoc.h" |
| 41 | #include "clang/AST/TypeLocVisitor.h" |
| 42 | #include "clang/AST/UnresolvedSet.h" |
| 43 | #include "clang/Basic/CommentOptions.h" |
| 44 | #include "clang/Basic/Diagnostic.h" |
| 45 | #include "clang/Basic/DiagnosticOptions.h" |
| 46 | #include "clang/Basic/ExceptionSpecificationType.h" |
| 47 | #include "clang/Basic/FileManager.h" |
| 48 | #include "clang/Basic/FileSystemOptions.h" |
| 49 | #include "clang/Basic/IdentifierTable.h" |
| 50 | #include "clang/Basic/LLVM.h" |
| 51 | #include "clang/Basic/LangOptions.h" |
| 52 | #include "clang/Basic/Module.h" |
| 53 | #include "clang/Basic/ObjCRuntime.h" |
| 54 | #include "clang/Basic/OperatorKinds.h" |
| 55 | #include "clang/Basic/PragmaKinds.h" |
| 56 | #include "clang/Basic/Sanitizers.h" |
| 57 | #include "clang/Basic/SourceLocation.h" |
| 58 | #include "clang/Basic/SourceManager.h" |
| 59 | #include "clang/Basic/SourceManagerInternals.h" |
| 60 | #include "clang/Basic/Specifiers.h" |
| 61 | #include "clang/Basic/TargetInfo.h" |
| 62 | #include "clang/Basic/TargetOptions.h" |
| 63 | #include "clang/Basic/TokenKinds.h" |
| 64 | #include "clang/Basic/Version.h" |
| 65 | #include "clang/Lex/HeaderSearch.h" |
| 66 | #include "clang/Lex/HeaderSearchOptions.h" |
| 67 | #include "clang/Lex/MacroInfo.h" |
| 68 | #include "clang/Lex/ModuleMap.h" |
| 69 | #include "clang/Lex/PreprocessingRecord.h" |
| 70 | #include "clang/Lex/Preprocessor.h" |
| 71 | #include "clang/Lex/PreprocessorOptions.h" |
| 72 | #include "clang/Lex/Token.h" |
| 73 | #include "clang/Sema/ObjCMethodList.h" |
| 74 | #include "clang/Sema/Scope.h" |
| 75 | #include "clang/Sema/Sema.h" |
| 76 | #include "clang/Sema/Weak.h" |
| 77 | #include "clang/Serialization/ASTBitCodes.h" |
| 78 | #include "clang/Serialization/ASTDeserializationListener.h" |
| 79 | #include "clang/Serialization/ContinuousRangeMap.h" |
| 80 | #include "clang/Serialization/GlobalModuleIndex.h" |
| 81 | #include "clang/Serialization/InMemoryModuleCache.h" |
| 82 | #include "clang/Serialization/ModuleFile.h" |
| 83 | #include "clang/Serialization/ModuleFileExtension.h" |
| 84 | #include "clang/Serialization/ModuleManager.h" |
| 85 | #include "clang/Serialization/PCHContainerOperations.h" |
| 86 | #include "clang/Serialization/SerializationDiagnostic.h" |
| 87 | #include "llvm/ADT/APFloat.h" |
| 88 | #include "llvm/ADT/APInt.h" |
| 89 | #include "llvm/ADT/APSInt.h" |
| 90 | #include "llvm/ADT/ArrayRef.h" |
| 91 | #include "llvm/ADT/DenseMap.h" |
| 92 | #include "llvm/ADT/FloatingPointMode.h" |
| 93 | #include "llvm/ADT/FoldingSet.h" |
| 94 | #include "llvm/ADT/Hashing.h" |
| 95 | #include "llvm/ADT/IntrusiveRefCntPtr.h" |
| 96 | #include "llvm/ADT/None.h" |
| 97 | #include "llvm/ADT/Optional.h" |
| 98 | #include "llvm/ADT/STLExtras.h" |
| 99 | #include "llvm/ADT/ScopeExit.h" |
| 100 | #include "llvm/ADT/SmallPtrSet.h" |
| 101 | #include "llvm/ADT/SmallString.h" |
| 102 | #include "llvm/ADT/SmallVector.h" |
| 103 | #include "llvm/ADT/StringExtras.h" |
| 104 | #include "llvm/ADT/StringMap.h" |
| 105 | #include "llvm/ADT/StringRef.h" |
| 106 | #include "llvm/ADT/Triple.h" |
| 107 | #include "llvm/ADT/iterator_range.h" |
| 108 | #include "llvm/Bitstream/BitstreamReader.h" |
| 109 | #include "llvm/Support/Casting.h" |
| 110 | #include "llvm/Support/Compiler.h" |
| 111 | #include "llvm/Support/Compression.h" |
| 112 | #include "llvm/Support/DJB.h" |
| 113 | #include "llvm/Support/Endian.h" |
| 114 | #include "llvm/Support/Error.h" |
| 115 | #include "llvm/Support/ErrorHandling.h" |
| 116 | #include "llvm/Support/FileSystem.h" |
| 117 | #include "llvm/Support/MemoryBuffer.h" |
| 118 | #include "llvm/Support/Path.h" |
| 119 | #include "llvm/Support/SaveAndRestore.h" |
| 120 | #include "llvm/Support/Timer.h" |
| 121 | #include "llvm/Support/VersionTuple.h" |
| 122 | #include "llvm/Support/raw_ostream.h" |
| 123 | #include <algorithm> |
| 124 | #include <cassert> |
| 125 | #include <cstddef> |
| 126 | #include <cstdint> |
| 127 | #include <cstdio> |
| 128 | #include <ctime> |
| 129 | #include <iterator> |
| 130 | #include <limits> |
| 131 | #include <map> |
| 132 | #include <memory> |
| 133 | #include <string> |
| 134 | #include <system_error> |
| 135 | #include <tuple> |
| 136 | #include <utility> |
| 137 | #include <vector> |
| 138 | |
| 139 | using namespace clang; |
| 140 | using namespace clang::serialization; |
| 141 | using namespace clang::serialization::reader; |
| 142 | using llvm::BitstreamCursor; |
| 143 | using llvm::RoundingMode; |
| 144 | |
| 145 | //===----------------------------------------------------------------------===// |
| 146 | // ChainedASTReaderListener implementation |
| 147 | //===----------------------------------------------------------------------===// |
| 148 | |
| 149 | bool |
| 150 | ChainedASTReaderListener::ReadFullVersionInformation(StringRef FullVersion) { |
| 151 | return First->ReadFullVersionInformation(FullVersion) || |
| 152 | Second->ReadFullVersionInformation(FullVersion); |
| 153 | } |
| 154 | |
| 155 | void ChainedASTReaderListener::ReadModuleName(StringRef ModuleName) { |
| 156 | First->ReadModuleName(ModuleName); |
| 157 | Second->ReadModuleName(ModuleName); |
| 158 | } |
| 159 | |
| 160 | void ChainedASTReaderListener::ReadModuleMapFile(StringRef ModuleMapPath) { |
| 161 | First->ReadModuleMapFile(ModuleMapPath); |
| 162 | Second->ReadModuleMapFile(ModuleMapPath); |
| 163 | } |
| 164 | |
| 165 | bool |
| 166 | ChainedASTReaderListener::ReadLanguageOptions(const LangOptions &LangOpts, |
| 167 | bool Complain, |
| 168 | bool AllowCompatibleDifferences) { |
| 169 | return First->ReadLanguageOptions(LangOpts, Complain, |
| 170 | AllowCompatibleDifferences) || |
| 171 | Second->ReadLanguageOptions(LangOpts, Complain, |
| 172 | AllowCompatibleDifferences); |
| 173 | } |
| 174 | |
| 175 | bool ChainedASTReaderListener::ReadTargetOptions( |
| 176 | const TargetOptions &TargetOpts, bool Complain, |
| 177 | bool AllowCompatibleDifferences) { |
| 178 | return First->ReadTargetOptions(TargetOpts, Complain, |
| 179 | AllowCompatibleDifferences) || |
| 180 | Second->ReadTargetOptions(TargetOpts, Complain, |
| 181 | AllowCompatibleDifferences); |
| 182 | } |
| 183 | |
| 184 | bool ChainedASTReaderListener::ReadDiagnosticOptions( |
| 185 | IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts, bool Complain) { |
| 186 | return First->ReadDiagnosticOptions(DiagOpts, Complain) || |
| 187 | Second->ReadDiagnosticOptions(DiagOpts, Complain); |
| 188 | } |
| 189 | |
| 190 | bool |
| 191 | ChainedASTReaderListener::ReadFileSystemOptions(const FileSystemOptions &FSOpts, |
| 192 | bool Complain) { |
| 193 | return First->ReadFileSystemOptions(FSOpts, Complain) || |
| 194 | Second->ReadFileSystemOptions(FSOpts, Complain); |
| 195 | } |
| 196 | |
| 197 | bool ChainedASTReaderListener::( |
| 198 | const HeaderSearchOptions &HSOpts, StringRef SpecificModuleCachePath, |
| 199 | bool Complain) { |
| 200 | return First->ReadHeaderSearchOptions(HSOpts, SpecificModuleCachePath, |
| 201 | Complain) || |
| 202 | Second->ReadHeaderSearchOptions(HSOpts, SpecificModuleCachePath, |
| 203 | Complain); |
| 204 | } |
| 205 | |
| 206 | bool ChainedASTReaderListener::ReadPreprocessorOptions( |
| 207 | const PreprocessorOptions &PPOpts, bool Complain, |
| 208 | std::string &SuggestedPredefines) { |
| 209 | return First->ReadPreprocessorOptions(PPOpts, Complain, |
| 210 | SuggestedPredefines) || |
| 211 | Second->ReadPreprocessorOptions(PPOpts, Complain, SuggestedPredefines); |
| 212 | } |
| 213 | |
| 214 | void ChainedASTReaderListener::ReadCounter(const serialization::ModuleFile &M, |
| 215 | unsigned Value) { |
| 216 | First->ReadCounter(M, Value); |
| 217 | Second->ReadCounter(M, Value); |
| 218 | } |
| 219 | |
| 220 | bool ChainedASTReaderListener::needsInputFileVisitation() { |
| 221 | return First->needsInputFileVisitation() || |
| 222 | Second->needsInputFileVisitation(); |
| 223 | } |
| 224 | |
| 225 | bool ChainedASTReaderListener::needsSystemInputFileVisitation() { |
| 226 | return First->needsSystemInputFileVisitation() || |
| 227 | Second->needsSystemInputFileVisitation(); |
| 228 | } |
| 229 | |
| 230 | void ChainedASTReaderListener::visitModuleFile(StringRef Filename, |
| 231 | ModuleKind Kind) { |
| 232 | First->visitModuleFile(Filename, Kind); |
| 233 | Second->visitModuleFile(Filename, Kind); |
| 234 | } |
| 235 | |
| 236 | bool ChainedASTReaderListener::visitInputFile(StringRef Filename, |
| 237 | bool isSystem, |
| 238 | bool isOverridden, |
| 239 | bool isExplicitModule) { |
| 240 | bool Continue = false; |
| 241 | if (First->needsInputFileVisitation() && |
| 242 | (!isSystem || First->needsSystemInputFileVisitation())) |
| 243 | Continue |= First->visitInputFile(Filename, isSystem, isOverridden, |
| 244 | isExplicitModule); |
| 245 | if (Second->needsInputFileVisitation() && |
| 246 | (!isSystem || Second->needsSystemInputFileVisitation())) |
| 247 | Continue |= Second->visitInputFile(Filename, isSystem, isOverridden, |
| 248 | isExplicitModule); |
| 249 | return Continue; |
| 250 | } |
| 251 | |
| 252 | void ChainedASTReaderListener::readModuleFileExtension( |
| 253 | const ModuleFileExtensionMetadata &Metadata) { |
| 254 | First->readModuleFileExtension(Metadata); |
| 255 | Second->readModuleFileExtension(Metadata); |
| 256 | } |
| 257 | |
| 258 | //===----------------------------------------------------------------------===// |
| 259 | // PCH validator implementation |
| 260 | //===----------------------------------------------------------------------===// |
| 261 | |
| 262 | ASTReaderListener::~ASTReaderListener() = default; |
| 263 | |
| 264 | /// Compare the given set of language options against an existing set of |
| 265 | /// language options. |
| 266 | /// |
| 267 | /// \param Diags If non-NULL, diagnostics will be emitted via this engine. |
| 268 | /// \param AllowCompatibleDifferences If true, differences between compatible |
| 269 | /// language options will be permitted. |
| 270 | /// |
| 271 | /// \returns true if the languagae options mis-match, false otherwise. |
| 272 | static bool checkLanguageOptions(const LangOptions &LangOpts, |
| 273 | const LangOptions &ExistingLangOpts, |
| 274 | DiagnosticsEngine *Diags, |
| 275 | bool AllowCompatibleDifferences = true) { |
| 276 | #define LANGOPT(Name, Bits, Default, Description) \ |
| 277 | if (ExistingLangOpts.Name != LangOpts.Name) { \ |
| 278 | if (Diags) \ |
| 279 | Diags->Report(diag::err_pch_langopt_mismatch) \ |
| 280 | << Description << LangOpts.Name << ExistingLangOpts.Name; \ |
| 281 | return true; \ |
| 282 | } |
| 283 | |
| 284 | #define VALUE_LANGOPT(Name, Bits, Default, Description) \ |
| 285 | if (ExistingLangOpts.Name != LangOpts.Name) { \ |
| 286 | if (Diags) \ |
| 287 | Diags->Report(diag::err_pch_langopt_value_mismatch) \ |
| 288 | << Description; \ |
| 289 | return true; \ |
| 290 | } |
| 291 | |
| 292 | #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ |
| 293 | if (ExistingLangOpts.get##Name() != LangOpts.get##Name()) { \ |
| 294 | if (Diags) \ |
| 295 | Diags->Report(diag::err_pch_langopt_value_mismatch) \ |
| 296 | << Description; \ |
| 297 | return true; \ |
| 298 | } |
| 299 | |
| 300 | #define COMPATIBLE_LANGOPT(Name, Bits, Default, Description) \ |
| 301 | if (!AllowCompatibleDifferences) \ |
| 302 | LANGOPT(Name, Bits, Default, Description) |
| 303 | |
| 304 | #define COMPATIBLE_ENUM_LANGOPT(Name, Bits, Default, Description) \ |
| 305 | if (!AllowCompatibleDifferences) \ |
| 306 | ENUM_LANGOPT(Name, Bits, Default, Description) |
| 307 | |
| 308 | #define COMPATIBLE_VALUE_LANGOPT(Name, Bits, Default, Description) \ |
| 309 | if (!AllowCompatibleDifferences) \ |
| 310 | VALUE_LANGOPT(Name, Bits, Default, Description) |
| 311 | |
| 312 | #define BENIGN_LANGOPT(Name, Bits, Default, Description) |
| 313 | #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) |
| 314 | #define BENIGN_VALUE_LANGOPT(Name, Type, Bits, Default, Description) |
| 315 | #include "clang/Basic/LangOptions.def" |
| 316 | |
| 317 | if (ExistingLangOpts.ModuleFeatures != LangOpts.ModuleFeatures) { |
| 318 | if (Diags) |
| 319 | Diags->Report(diag::err_pch_langopt_value_mismatch) << "module features" ; |
| 320 | return true; |
| 321 | } |
| 322 | |
| 323 | if (ExistingLangOpts.ObjCRuntime != LangOpts.ObjCRuntime) { |
| 324 | if (Diags) |
| 325 | Diags->Report(diag::err_pch_langopt_value_mismatch) |
| 326 | << "target Objective-C runtime" ; |
| 327 | return true; |
| 328 | } |
| 329 | |
| 330 | if (ExistingLangOpts.CommentOpts.BlockCommandNames != |
| 331 | LangOpts.CommentOpts.BlockCommandNames) { |
| 332 | if (Diags) |
| 333 | Diags->Report(diag::err_pch_langopt_value_mismatch) |
| 334 | << "block command names" ; |
| 335 | return true; |
| 336 | } |
| 337 | |
| 338 | // Sanitizer feature mismatches are treated as compatible differences. If |
| 339 | // compatible differences aren't allowed, we still only want to check for |
| 340 | // mismatches of non-modular sanitizers (the only ones which can affect AST |
| 341 | // generation). |
| 342 | if (!AllowCompatibleDifferences) { |
| 343 | SanitizerMask ModularSanitizers = getPPTransparentSanitizers(); |
| 344 | SanitizerSet ExistingSanitizers = ExistingLangOpts.Sanitize; |
| 345 | SanitizerSet ImportedSanitizers = LangOpts.Sanitize; |
| 346 | ExistingSanitizers.clear(ModularSanitizers); |
| 347 | ImportedSanitizers.clear(ModularSanitizers); |
| 348 | if (ExistingSanitizers.Mask != ImportedSanitizers.Mask) { |
| 349 | const std::string Flag = "-fsanitize=" ; |
| 350 | if (Diags) { |
| 351 | #define SANITIZER(NAME, ID) \ |
| 352 | { \ |
| 353 | bool InExistingModule = ExistingSanitizers.has(SanitizerKind::ID); \ |
| 354 | bool InImportedModule = ImportedSanitizers.has(SanitizerKind::ID); \ |
| 355 | if (InExistingModule != InImportedModule) \ |
| 356 | Diags->Report(diag::err_pch_targetopt_feature_mismatch) \ |
| 357 | << InExistingModule << (Flag + NAME); \ |
| 358 | } |
| 359 | #include "clang/Basic/Sanitizers.def" |
| 360 | } |
| 361 | return true; |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | return false; |
| 366 | } |
| 367 | |
| 368 | /// Compare the given set of target options against an existing set of |
| 369 | /// target options. |
| 370 | /// |
| 371 | /// \param Diags If non-NULL, diagnostics will be emitted via this engine. |
| 372 | /// |
| 373 | /// \returns true if the target options mis-match, false otherwise. |
| 374 | static bool checkTargetOptions(const TargetOptions &TargetOpts, |
| 375 | const TargetOptions &ExistingTargetOpts, |
| 376 | DiagnosticsEngine *Diags, |
| 377 | bool AllowCompatibleDifferences = true) { |
| 378 | #define CHECK_TARGET_OPT(Field, Name) \ |
| 379 | if (TargetOpts.Field != ExistingTargetOpts.Field) { \ |
| 380 | if (Diags) \ |
| 381 | Diags->Report(diag::err_pch_targetopt_mismatch) \ |
| 382 | << Name << TargetOpts.Field << ExistingTargetOpts.Field; \ |
| 383 | return true; \ |
| 384 | } |
| 385 | |
| 386 | // The triple and ABI must match exactly. |
| 387 | CHECK_TARGET_OPT(Triple, "target" ); |
| 388 | CHECK_TARGET_OPT(ABI, "target ABI" ); |
| 389 | |
| 390 | // We can tolerate different CPUs in many cases, notably when one CPU |
| 391 | // supports a strict superset of another. When allowing compatible |
| 392 | // differences skip this check. |
| 393 | if (!AllowCompatibleDifferences) { |
| 394 | CHECK_TARGET_OPT(CPU, "target CPU" ); |
| 395 | CHECK_TARGET_OPT(TuneCPU, "tune CPU" ); |
| 396 | } |
| 397 | |
| 398 | #undef CHECK_TARGET_OPT |
| 399 | |
| 400 | // Compare feature sets. |
| 401 | SmallVector<StringRef, 4> ExistingFeatures( |
| 402 | ExistingTargetOpts.FeaturesAsWritten.begin(), |
| 403 | ExistingTargetOpts.FeaturesAsWritten.end()); |
| 404 | SmallVector<StringRef, 4> ReadFeatures(TargetOpts.FeaturesAsWritten.begin(), |
| 405 | TargetOpts.FeaturesAsWritten.end()); |
| 406 | llvm::sort(ExistingFeatures); |
| 407 | llvm::sort(ReadFeatures); |
| 408 | |
| 409 | // We compute the set difference in both directions explicitly so that we can |
| 410 | // diagnose the differences differently. |
| 411 | SmallVector<StringRef, 4> UnmatchedExistingFeatures, UnmatchedReadFeatures; |
| 412 | std::set_difference( |
| 413 | ExistingFeatures.begin(), ExistingFeatures.end(), ReadFeatures.begin(), |
| 414 | ReadFeatures.end(), std::back_inserter(UnmatchedExistingFeatures)); |
| 415 | std::set_difference(ReadFeatures.begin(), ReadFeatures.end(), |
| 416 | ExistingFeatures.begin(), ExistingFeatures.end(), |
| 417 | std::back_inserter(UnmatchedReadFeatures)); |
| 418 | |
| 419 | // If we are allowing compatible differences and the read feature set is |
| 420 | // a strict subset of the existing feature set, there is nothing to diagnose. |
| 421 | if (AllowCompatibleDifferences && UnmatchedReadFeatures.empty()) |
| 422 | return false; |
| 423 | |
| 424 | if (Diags) { |
| 425 | for (StringRef Feature : UnmatchedReadFeatures) |
| 426 | Diags->Report(diag::err_pch_targetopt_feature_mismatch) |
| 427 | << /* is-existing-feature */ false << Feature; |
| 428 | for (StringRef Feature : UnmatchedExistingFeatures) |
| 429 | Diags->Report(diag::err_pch_targetopt_feature_mismatch) |
| 430 | << /* is-existing-feature */ true << Feature; |
| 431 | } |
| 432 | |
| 433 | return !UnmatchedReadFeatures.empty() || !UnmatchedExistingFeatures.empty(); |
| 434 | } |
| 435 | |
| 436 | bool |
| 437 | PCHValidator::ReadLanguageOptions(const LangOptions &LangOpts, |
| 438 | bool Complain, |
| 439 | bool AllowCompatibleDifferences) { |
| 440 | const LangOptions &ExistingLangOpts = PP.getLangOpts(); |
| 441 | return checkLanguageOptions(LangOpts, ExistingLangOpts, |
| 442 | Complain ? &Reader.Diags : nullptr, |
| 443 | AllowCompatibleDifferences); |
| 444 | } |
| 445 | |
| 446 | bool PCHValidator::ReadTargetOptions(const TargetOptions &TargetOpts, |
| 447 | bool Complain, |
| 448 | bool AllowCompatibleDifferences) { |
| 449 | const TargetOptions &ExistingTargetOpts = PP.getTargetInfo().getTargetOpts(); |
| 450 | return checkTargetOptions(TargetOpts, ExistingTargetOpts, |
| 451 | Complain ? &Reader.Diags : nullptr, |
| 452 | AllowCompatibleDifferences); |
| 453 | } |
| 454 | |
| 455 | namespace { |
| 456 | |
| 457 | using MacroDefinitionsMap = |
| 458 | llvm::StringMap<std::pair<StringRef, bool /*IsUndef*/>>; |
| 459 | using DeclsMap = llvm::DenseMap<DeclarationName, SmallVector<NamedDecl *, 8>>; |
| 460 | |
| 461 | } // namespace |
| 462 | |
| 463 | static bool checkDiagnosticGroupMappings(DiagnosticsEngine &StoredDiags, |
| 464 | DiagnosticsEngine &Diags, |
| 465 | bool Complain) { |
| 466 | using Level = DiagnosticsEngine::Level; |
| 467 | |
| 468 | // Check current mappings for new -Werror mappings, and the stored mappings |
| 469 | // for cases that were explicitly mapped to *not* be errors that are now |
| 470 | // errors because of options like -Werror. |
| 471 | DiagnosticsEngine *MappingSources[] = { &Diags, &StoredDiags }; |
| 472 | |
| 473 | for (DiagnosticsEngine *MappingSource : MappingSources) { |
| 474 | for (auto DiagIDMappingPair : MappingSource->getDiagnosticMappings()) { |
| 475 | diag::kind DiagID = DiagIDMappingPair.first; |
| 476 | Level CurLevel = Diags.getDiagnosticLevel(DiagID, SourceLocation()); |
| 477 | if (CurLevel < DiagnosticsEngine::Error) |
| 478 | continue; // not significant |
| 479 | Level StoredLevel = |
| 480 | StoredDiags.getDiagnosticLevel(DiagID, SourceLocation()); |
| 481 | if (StoredLevel < DiagnosticsEngine::Error) { |
| 482 | if (Complain) |
| 483 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-Werror=" + |
| 484 | Diags.getDiagnosticIDs()->getWarningOptionForDiag(DiagID).str(); |
| 485 | return true; |
| 486 | } |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | return false; |
| 491 | } |
| 492 | |
| 493 | static bool isExtHandlingFromDiagsError(DiagnosticsEngine &Diags) { |
| 494 | diag::Severity Ext = Diags.getExtensionHandlingBehavior(); |
| 495 | if (Ext == diag::Severity::Warning && Diags.getWarningsAsErrors()) |
| 496 | return true; |
| 497 | return Ext >= diag::Severity::Error; |
| 498 | } |
| 499 | |
| 500 | static bool checkDiagnosticMappings(DiagnosticsEngine &StoredDiags, |
| 501 | DiagnosticsEngine &Diags, |
| 502 | bool IsSystem, bool Complain) { |
| 503 | // Top-level options |
| 504 | if (IsSystem) { |
| 505 | if (Diags.getSuppressSystemWarnings()) |
| 506 | return false; |
| 507 | // If -Wsystem-headers was not enabled before, be conservative |
| 508 | if (StoredDiags.getSuppressSystemWarnings()) { |
| 509 | if (Complain) |
| 510 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-Wsystem-headers" ; |
| 511 | return true; |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | if (Diags.getWarningsAsErrors() && !StoredDiags.getWarningsAsErrors()) { |
| 516 | if (Complain) |
| 517 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-Werror" ; |
| 518 | return true; |
| 519 | } |
| 520 | |
| 521 | if (Diags.getWarningsAsErrors() && Diags.getEnableAllWarnings() && |
| 522 | !StoredDiags.getEnableAllWarnings()) { |
| 523 | if (Complain) |
| 524 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-Weverything -Werror" ; |
| 525 | return true; |
| 526 | } |
| 527 | |
| 528 | if (isExtHandlingFromDiagsError(Diags) && |
| 529 | !isExtHandlingFromDiagsError(StoredDiags)) { |
| 530 | if (Complain) |
| 531 | Diags.Report(diag::err_pch_diagopt_mismatch) << "-pedantic-errors" ; |
| 532 | return true; |
| 533 | } |
| 534 | |
| 535 | return checkDiagnosticGroupMappings(StoredDiags, Diags, Complain); |
| 536 | } |
| 537 | |
| 538 | /// Return the top import module if it is implicit, nullptr otherwise. |
| 539 | static Module *getTopImportImplicitModule(ModuleManager &ModuleMgr, |
| 540 | Preprocessor &PP) { |
| 541 | // If the original import came from a file explicitly generated by the user, |
| 542 | // don't check the diagnostic mappings. |
| 543 | // FIXME: currently this is approximated by checking whether this is not a |
| 544 | // module import of an implicitly-loaded module file. |
| 545 | // Note: ModuleMgr.rbegin() may not be the current module, but it must be in |
| 546 | // the transitive closure of its imports, since unrelated modules cannot be |
| 547 | // imported until after this module finishes validation. |
| 548 | ModuleFile *TopImport = &*ModuleMgr.rbegin(); |
| 549 | while (!TopImport->ImportedBy.empty()) |
| 550 | TopImport = TopImport->ImportedBy[0]; |
| 551 | if (TopImport->Kind != MK_ImplicitModule) |
| 552 | return nullptr; |
| 553 | |
| 554 | StringRef ModuleName = TopImport->ModuleName; |
| 555 | assert(!ModuleName.empty() && "diagnostic options read before module name" ); |
| 556 | |
| 557 | Module *M = PP.getHeaderSearchInfo().lookupModule(ModuleName); |
| 558 | assert(M && "missing module" ); |
| 559 | return M; |
| 560 | } |
| 561 | |
| 562 | bool PCHValidator::ReadDiagnosticOptions( |
| 563 | IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts, bool Complain) { |
| 564 | DiagnosticsEngine &ExistingDiags = PP.getDiagnostics(); |
| 565 | IntrusiveRefCntPtr<DiagnosticIDs> DiagIDs(ExistingDiags.getDiagnosticIDs()); |
| 566 | IntrusiveRefCntPtr<DiagnosticsEngine> Diags( |
| 567 | new DiagnosticsEngine(DiagIDs, DiagOpts.get())); |
| 568 | // This should never fail, because we would have processed these options |
| 569 | // before writing them to an ASTFile. |
| 570 | ProcessWarningOptions(*Diags, *DiagOpts, /*Report*/false); |
| 571 | |
| 572 | ModuleManager &ModuleMgr = Reader.getModuleManager(); |
| 573 | assert(ModuleMgr.size() >= 1 && "what ASTFile is this then" ); |
| 574 | |
| 575 | Module *TopM = getTopImportImplicitModule(ModuleMgr, PP); |
| 576 | if (!TopM) |
| 577 | return false; |
| 578 | |
| 579 | // FIXME: if the diagnostics are incompatible, save a DiagnosticOptions that |
| 580 | // contains the union of their flags. |
| 581 | return checkDiagnosticMappings(*Diags, ExistingDiags, TopM->IsSystem, |
| 582 | Complain); |
| 583 | } |
| 584 | |
| 585 | /// Collect the macro definitions provided by the given preprocessor |
| 586 | /// options. |
| 587 | static void |
| 588 | collectMacroDefinitions(const PreprocessorOptions &PPOpts, |
| 589 | MacroDefinitionsMap &Macros, |
| 590 | SmallVectorImpl<StringRef> *MacroNames = nullptr) { |
| 591 | for (unsigned I = 0, N = PPOpts.Macros.size(); I != N; ++I) { |
| 592 | StringRef Macro = PPOpts.Macros[I].first; |
| 593 | bool IsUndef = PPOpts.Macros[I].second; |
| 594 | |
| 595 | std::pair<StringRef, StringRef> MacroPair = Macro.split('='); |
| 596 | StringRef MacroName = MacroPair.first; |
| 597 | StringRef MacroBody = MacroPair.second; |
| 598 | |
| 599 | // For an #undef'd macro, we only care about the name. |
| 600 | if (IsUndef) { |
| 601 | if (MacroNames && !Macros.count(MacroName)) |
| 602 | MacroNames->push_back(MacroName); |
| 603 | |
| 604 | Macros[MacroName] = std::make_pair("" , true); |
| 605 | continue; |
| 606 | } |
| 607 | |
| 608 | // For a #define'd macro, figure out the actual definition. |
| 609 | if (MacroName.size() == Macro.size()) |
| 610 | MacroBody = "1" ; |
| 611 | else { |
| 612 | // Note: GCC drops anything following an end-of-line character. |
| 613 | StringRef::size_type End = MacroBody.find_first_of("\n\r" ); |
| 614 | MacroBody = MacroBody.substr(0, End); |
| 615 | } |
| 616 | |
| 617 | if (MacroNames && !Macros.count(MacroName)) |
| 618 | MacroNames->push_back(MacroName); |
| 619 | Macros[MacroName] = std::make_pair(MacroBody, false); |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | /// Check the preprocessor options deserialized from the control block |
| 624 | /// against the preprocessor options in an existing preprocessor. |
| 625 | /// |
| 626 | /// \param Diags If non-null, produce diagnostics for any mismatches incurred. |
| 627 | /// \param Validate If true, validate preprocessor options. If false, allow |
| 628 | /// macros defined by \p ExistingPPOpts to override those defined by |
| 629 | /// \p PPOpts in SuggestedPredefines. |
| 630 | static bool checkPreprocessorOptions(const PreprocessorOptions &PPOpts, |
| 631 | const PreprocessorOptions &ExistingPPOpts, |
| 632 | DiagnosticsEngine *Diags, |
| 633 | FileManager &FileMgr, |
| 634 | std::string &SuggestedPredefines, |
| 635 | const LangOptions &LangOpts, |
| 636 | bool Validate = true) { |
| 637 | // Check macro definitions. |
| 638 | MacroDefinitionsMap ASTFileMacros; |
| 639 | collectMacroDefinitions(PPOpts, ASTFileMacros); |
| 640 | MacroDefinitionsMap ExistingMacros; |
| 641 | SmallVector<StringRef, 4> ExistingMacroNames; |
| 642 | collectMacroDefinitions(ExistingPPOpts, ExistingMacros, &ExistingMacroNames); |
| 643 | |
| 644 | for (unsigned I = 0, N = ExistingMacroNames.size(); I != N; ++I) { |
| 645 | // Dig out the macro definition in the existing preprocessor options. |
| 646 | StringRef MacroName = ExistingMacroNames[I]; |
| 647 | std::pair<StringRef, bool> Existing = ExistingMacros[MacroName]; |
| 648 | |
| 649 | // Check whether we know anything about this macro name or not. |
| 650 | llvm::StringMap<std::pair<StringRef, bool /*IsUndef*/>>::iterator Known = |
| 651 | ASTFileMacros.find(MacroName); |
| 652 | if (!Validate || Known == ASTFileMacros.end()) { |
| 653 | // FIXME: Check whether this identifier was referenced anywhere in the |
| 654 | // AST file. If so, we should reject the AST file. Unfortunately, this |
| 655 | // information isn't in the control block. What shall we do about it? |
| 656 | |
| 657 | if (Existing.second) { |
| 658 | SuggestedPredefines += "#undef " ; |
| 659 | SuggestedPredefines += MacroName.str(); |
| 660 | SuggestedPredefines += '\n'; |
| 661 | } else { |
| 662 | SuggestedPredefines += "#define " ; |
| 663 | SuggestedPredefines += MacroName.str(); |
| 664 | SuggestedPredefines += ' '; |
| 665 | SuggestedPredefines += Existing.first.str(); |
| 666 | SuggestedPredefines += '\n'; |
| 667 | } |
| 668 | continue; |
| 669 | } |
| 670 | |
| 671 | // If the macro was defined in one but undef'd in the other, we have a |
| 672 | // conflict. |
| 673 | if (Existing.second != Known->second.second) { |
| 674 | if (Diags) { |
| 675 | Diags->Report(diag::err_pch_macro_def_undef) |
| 676 | << MacroName << Known->second.second; |
| 677 | } |
| 678 | return true; |
| 679 | } |
| 680 | |
| 681 | // If the macro was #undef'd in both, or if the macro bodies are identical, |
| 682 | // it's fine. |
| 683 | if (Existing.second || Existing.first == Known->second.first) |
| 684 | continue; |
| 685 | |
| 686 | // The macro bodies differ; complain. |
| 687 | if (Diags) { |
| 688 | Diags->Report(diag::err_pch_macro_def_conflict) |
| 689 | << MacroName << Known->second.first << Existing.first; |
| 690 | } |
| 691 | return true; |
| 692 | } |
| 693 | |
| 694 | // Check whether we're using predefines. |
| 695 | if (PPOpts.UsePredefines != ExistingPPOpts.UsePredefines && Validate) { |
| 696 | if (Diags) { |
| 697 | Diags->Report(diag::err_pch_undef) << ExistingPPOpts.UsePredefines; |
| 698 | } |
| 699 | return true; |
| 700 | } |
| 701 | |
| 702 | // Detailed record is important since it is used for the module cache hash. |
| 703 | if (LangOpts.Modules && |
| 704 | PPOpts.DetailedRecord != ExistingPPOpts.DetailedRecord && Validate) { |
| 705 | if (Diags) { |
| 706 | Diags->Report(diag::err_pch_pp_detailed_record) << PPOpts.DetailedRecord; |
| 707 | } |
| 708 | return true; |
| 709 | } |
| 710 | |
| 711 | // Compute the #include and #include_macros lines we need. |
| 712 | for (unsigned I = 0, N = ExistingPPOpts.Includes.size(); I != N; ++I) { |
| 713 | StringRef File = ExistingPPOpts.Includes[I]; |
| 714 | |
| 715 | if (!ExistingPPOpts.ImplicitPCHInclude.empty() && |
| 716 | !ExistingPPOpts.PCHThroughHeader.empty()) { |
| 717 | // In case the through header is an include, we must add all the includes |
| 718 | // to the predefines so the start point can be determined. |
| 719 | SuggestedPredefines += "#include \"" ; |
| 720 | SuggestedPredefines += File; |
| 721 | SuggestedPredefines += "\"\n" ; |
| 722 | continue; |
| 723 | } |
| 724 | |
| 725 | if (File == ExistingPPOpts.ImplicitPCHInclude) |
| 726 | continue; |
| 727 | |
| 728 | if (std::find(PPOpts.Includes.begin(), PPOpts.Includes.end(), File) |
| 729 | != PPOpts.Includes.end()) |
| 730 | continue; |
| 731 | |
| 732 | SuggestedPredefines += "#include \"" ; |
| 733 | SuggestedPredefines += File; |
| 734 | SuggestedPredefines += "\"\n" ; |
| 735 | } |
| 736 | |
| 737 | for (unsigned I = 0, N = ExistingPPOpts.MacroIncludes.size(); I != N; ++I) { |
| 738 | StringRef File = ExistingPPOpts.MacroIncludes[I]; |
| 739 | if (std::find(PPOpts.MacroIncludes.begin(), PPOpts.MacroIncludes.end(), |
| 740 | File) |
| 741 | != PPOpts.MacroIncludes.end()) |
| 742 | continue; |
| 743 | |
| 744 | SuggestedPredefines += "#__include_macros \"" ; |
| 745 | SuggestedPredefines += File; |
| 746 | SuggestedPredefines += "\"\n##\n" ; |
| 747 | } |
| 748 | |
| 749 | return false; |
| 750 | } |
| 751 | |
| 752 | bool PCHValidator::ReadPreprocessorOptions(const PreprocessorOptions &PPOpts, |
| 753 | bool Complain, |
| 754 | std::string &SuggestedPredefines) { |
| 755 | const PreprocessorOptions &ExistingPPOpts = PP.getPreprocessorOpts(); |
| 756 | |
| 757 | return checkPreprocessorOptions(PPOpts, ExistingPPOpts, |
| 758 | Complain? &Reader.Diags : nullptr, |
| 759 | PP.getFileManager(), |
| 760 | SuggestedPredefines, |
| 761 | PP.getLangOpts()); |
| 762 | } |
| 763 | |
| 764 | bool SimpleASTReaderListener::ReadPreprocessorOptions( |
| 765 | const PreprocessorOptions &PPOpts, |
| 766 | bool Complain, |
| 767 | std::string &SuggestedPredefines) { |
| 768 | return checkPreprocessorOptions(PPOpts, |
| 769 | PP.getPreprocessorOpts(), |
| 770 | nullptr, |
| 771 | PP.getFileManager(), |
| 772 | SuggestedPredefines, |
| 773 | PP.getLangOpts(), |
| 774 | false); |
| 775 | } |
| 776 | |
| 777 | /// Check the header search options deserialized from the control block |
| 778 | /// against the header search options in an existing preprocessor. |
| 779 | /// |
| 780 | /// \param Diags If non-null, produce diagnostics for any mismatches incurred. |
| 781 | static bool (const HeaderSearchOptions &HSOpts, |
| 782 | StringRef SpecificModuleCachePath, |
| 783 | StringRef ExistingModuleCachePath, |
| 784 | DiagnosticsEngine *Diags, |
| 785 | const LangOptions &LangOpts) { |
| 786 | if (LangOpts.Modules) { |
| 787 | if (SpecificModuleCachePath != ExistingModuleCachePath) { |
| 788 | if (Diags) |
| 789 | Diags->Report(diag::err_pch_modulecache_mismatch) |
| 790 | << SpecificModuleCachePath << ExistingModuleCachePath; |
| 791 | return true; |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | return false; |
| 796 | } |
| 797 | |
| 798 | bool PCHValidator::(const HeaderSearchOptions &HSOpts, |
| 799 | StringRef SpecificModuleCachePath, |
| 800 | bool Complain) { |
| 801 | return checkHeaderSearchOptions(HSOpts, SpecificModuleCachePath, |
| 802 | PP.getHeaderSearchInfo().getModuleCachePath(), |
| 803 | Complain ? &Reader.Diags : nullptr, |
| 804 | PP.getLangOpts()); |
| 805 | } |
| 806 | |
| 807 | void PCHValidator::ReadCounter(const ModuleFile &M, unsigned Value) { |
| 808 | PP.setCounterValue(Value); |
| 809 | } |
| 810 | |
| 811 | //===----------------------------------------------------------------------===// |
| 812 | // AST reader implementation |
| 813 | //===----------------------------------------------------------------------===// |
| 814 | |
| 815 | void ASTReader::setDeserializationListener(ASTDeserializationListener *Listener, |
| 816 | bool TakeOwnership) { |
| 817 | DeserializationListener = Listener; |
| 818 | OwnsDeserializationListener = TakeOwnership; |
| 819 | } |
| 820 | |
| 821 | unsigned ASTSelectorLookupTrait::ComputeHash(Selector Sel) { |
| 822 | return serialization::ComputeHash(Sel); |
| 823 | } |
| 824 | |
| 825 | std::pair<unsigned, unsigned> |
| 826 | ASTSelectorLookupTrait::ReadKeyDataLength(const unsigned char*& d) { |
| 827 | using namespace llvm::support; |
| 828 | |
| 829 | unsigned KeyLen = endian::readNext<uint16_t, little, unaligned>(d); |
| 830 | unsigned DataLen = endian::readNext<uint16_t, little, unaligned>(d); |
| 831 | return std::make_pair(KeyLen, DataLen); |
| 832 | } |
| 833 | |
| 834 | ASTSelectorLookupTrait::internal_key_type |
| 835 | ASTSelectorLookupTrait::ReadKey(const unsigned char* d, unsigned) { |
| 836 | using namespace llvm::support; |
| 837 | |
| 838 | SelectorTable &SelTable = Reader.getContext().Selectors; |
| 839 | unsigned N = endian::readNext<uint16_t, little, unaligned>(d); |
| 840 | IdentifierInfo *FirstII = Reader.getLocalIdentifier( |
| 841 | F, endian::readNext<uint32_t, little, unaligned>(d)); |
| 842 | if (N == 0) |
| 843 | return SelTable.getNullarySelector(FirstII); |
| 844 | else if (N == 1) |
| 845 | return SelTable.getUnarySelector(FirstII); |
| 846 | |
| 847 | SmallVector<IdentifierInfo *, 16> Args; |
| 848 | Args.push_back(FirstII); |
| 849 | for (unsigned I = 1; I != N; ++I) |
| 850 | Args.push_back(Reader.getLocalIdentifier( |
| 851 | F, endian::readNext<uint32_t, little, unaligned>(d))); |
| 852 | |
| 853 | return SelTable.getSelector(N, Args.data()); |
| 854 | } |
| 855 | |
| 856 | ASTSelectorLookupTrait::data_type |
| 857 | ASTSelectorLookupTrait::ReadData(Selector, const unsigned char* d, |
| 858 | unsigned DataLen) { |
| 859 | using namespace llvm::support; |
| 860 | |
| 861 | data_type Result; |
| 862 | |
| 863 | Result.ID = Reader.getGlobalSelectorID( |
| 864 | F, endian::readNext<uint32_t, little, unaligned>(d)); |
| 865 | unsigned FullInstanceBits = endian::readNext<uint16_t, little, unaligned>(d); |
| 866 | unsigned FullFactoryBits = endian::readNext<uint16_t, little, unaligned>(d); |
| 867 | Result.InstanceBits = FullInstanceBits & 0x3; |
| 868 | Result.InstanceHasMoreThanOneDecl = (FullInstanceBits >> 2) & 0x1; |
| 869 | Result.FactoryBits = FullFactoryBits & 0x3; |
| 870 | Result.FactoryHasMoreThanOneDecl = (FullFactoryBits >> 2) & 0x1; |
| 871 | unsigned NumInstanceMethods = FullInstanceBits >> 3; |
| 872 | unsigned NumFactoryMethods = FullFactoryBits >> 3; |
| 873 | |
| 874 | // Load instance methods |
| 875 | for (unsigned I = 0; I != NumInstanceMethods; ++I) { |
| 876 | if (ObjCMethodDecl *Method = Reader.GetLocalDeclAs<ObjCMethodDecl>( |
| 877 | F, endian::readNext<uint32_t, little, unaligned>(d))) |
| 878 | Result.Instance.push_back(Method); |
| 879 | } |
| 880 | |
| 881 | // Load factory methods |
| 882 | for (unsigned I = 0; I != NumFactoryMethods; ++I) { |
| 883 | if (ObjCMethodDecl *Method = Reader.GetLocalDeclAs<ObjCMethodDecl>( |
| 884 | F, endian::readNext<uint32_t, little, unaligned>(d))) |
| 885 | Result.Factory.push_back(Method); |
| 886 | } |
| 887 | |
| 888 | return Result; |
| 889 | } |
| 890 | |
| 891 | unsigned ASTIdentifierLookupTraitBase::ComputeHash(const internal_key_type& a) { |
| 892 | return llvm::djbHash(a); |
| 893 | } |
| 894 | |
| 895 | std::pair<unsigned, unsigned> |
| 896 | ASTIdentifierLookupTraitBase::ReadKeyDataLength(const unsigned char*& d) { |
| 897 | using namespace llvm::support; |
| 898 | |
| 899 | unsigned DataLen = endian::readNext<uint16_t, little, unaligned>(d); |
| 900 | unsigned KeyLen = endian::readNext<uint16_t, little, unaligned>(d); |
| 901 | return std::make_pair(KeyLen, DataLen); |
| 902 | } |
| 903 | |
| 904 | ASTIdentifierLookupTraitBase::internal_key_type |
| 905 | ASTIdentifierLookupTraitBase::ReadKey(const unsigned char* d, unsigned n) { |
| 906 | assert(n >= 2 && d[n-1] == '\0'); |
| 907 | return StringRef((const char*) d, n-1); |
| 908 | } |
| 909 | |
| 910 | /// Whether the given identifier is "interesting". |
| 911 | static bool isInterestingIdentifier(ASTReader &Reader, IdentifierInfo &II, |
| 912 | bool IsModule) { |
| 913 | return II.hadMacroDefinition() || II.isPoisoned() || |
| 914 | (!IsModule && II.getObjCOrBuiltinID()) || |
| 915 | II.hasRevertedTokenIDToIdentifier() || |
| 916 | (!(IsModule && Reader.getPreprocessor().getLangOpts().CPlusPlus) && |
| 917 | II.getFETokenInfo()); |
| 918 | } |
| 919 | |
| 920 | static bool readBit(unsigned &Bits) { |
| 921 | bool Value = Bits & 0x1; |
| 922 | Bits >>= 1; |
| 923 | return Value; |
| 924 | } |
| 925 | |
| 926 | IdentID ASTIdentifierLookupTrait::ReadIdentifierID(const unsigned char *d) { |
| 927 | using namespace llvm::support; |
| 928 | |
| 929 | unsigned RawID = endian::readNext<uint32_t, little, unaligned>(d); |
| 930 | return Reader.getGlobalIdentifierID(F, RawID >> 1); |
| 931 | } |
| 932 | |
| 933 | static void markIdentifierFromAST(ASTReader &Reader, IdentifierInfo &II) { |
| 934 | if (!II.isFromAST()) { |
| 935 | II.setIsFromAST(); |
| 936 | bool IsModule = Reader.getPreprocessor().getCurrentModule() != nullptr; |
| 937 | if (isInterestingIdentifier(Reader, II, IsModule)) |
| 938 | II.setChangedSinceDeserialization(); |
| 939 | } |
| 940 | } |
| 941 | |
| 942 | IdentifierInfo *ASTIdentifierLookupTrait::ReadData(const internal_key_type& k, |
| 943 | const unsigned char* d, |
| 944 | unsigned DataLen) { |
| 945 | using namespace llvm::support; |
| 946 | |
| 947 | unsigned RawID = endian::readNext<uint32_t, little, unaligned>(d); |
| 948 | bool IsInteresting = RawID & 0x01; |
| 949 | |
| 950 | // Wipe out the "is interesting" bit. |
| 951 | RawID = RawID >> 1; |
| 952 | |
| 953 | // Build the IdentifierInfo and link the identifier ID with it. |
| 954 | IdentifierInfo *II = KnownII; |
| 955 | if (!II) { |
| 956 | II = &Reader.getIdentifierTable().getOwn(k); |
| 957 | KnownII = II; |
| 958 | } |
| 959 | markIdentifierFromAST(Reader, *II); |
| 960 | Reader.markIdentifierUpToDate(II); |
| 961 | |
| 962 | IdentID ID = Reader.getGlobalIdentifierID(F, RawID); |
| 963 | if (!IsInteresting) { |
| 964 | // For uninteresting identifiers, there's nothing else to do. Just notify |
| 965 | // the reader that we've finished loading this identifier. |
| 966 | Reader.SetIdentifierInfo(ID, II); |
| 967 | return II; |
| 968 | } |
| 969 | |
| 970 | unsigned ObjCOrBuiltinID = endian::readNext<uint16_t, little, unaligned>(d); |
| 971 | unsigned Bits = endian::readNext<uint16_t, little, unaligned>(d); |
| 972 | bool CPlusPlusOperatorKeyword = readBit(Bits); |
| 973 | bool HasRevertedTokenIDToIdentifier = readBit(Bits); |
| 974 | bool Poisoned = readBit(Bits); |
| 975 | bool ExtensionToken = readBit(Bits); |
| 976 | bool HadMacroDefinition = readBit(Bits); |
| 977 | |
| 978 | assert(Bits == 0 && "Extra bits in the identifier?" ); |
| 979 | DataLen -= 8; |
| 980 | |
| 981 | // Set or check the various bits in the IdentifierInfo structure. |
| 982 | // Token IDs are read-only. |
| 983 | if (HasRevertedTokenIDToIdentifier && II->getTokenID() != tok::identifier) |
| 984 | II->revertTokenIDToIdentifier(); |
| 985 | if (!F.isModule()) |
| 986 | II->setObjCOrBuiltinID(ObjCOrBuiltinID); |
| 987 | assert(II->isExtensionToken() == ExtensionToken && |
| 988 | "Incorrect extension token flag" ); |
| 989 | (void)ExtensionToken; |
| 990 | if (Poisoned) |
| 991 | II->setIsPoisoned(true); |
| 992 | assert(II->isCPlusPlusOperatorKeyword() == CPlusPlusOperatorKeyword && |
| 993 | "Incorrect C++ operator keyword flag" ); |
| 994 | (void)CPlusPlusOperatorKeyword; |
| 995 | |
| 996 | // If this identifier is a macro, deserialize the macro |
| 997 | // definition. |
| 998 | if (HadMacroDefinition) { |
| 999 | uint32_t MacroDirectivesOffset = |
| 1000 | endian::readNext<uint32_t, little, unaligned>(d); |
| 1001 | DataLen -= 4; |
| 1002 | |
| 1003 | Reader.addPendingMacro(II, &F, MacroDirectivesOffset); |
| 1004 | } |
| 1005 | |
| 1006 | Reader.SetIdentifierInfo(ID, II); |
| 1007 | |
| 1008 | // Read all of the declarations visible at global scope with this |
| 1009 | // name. |
| 1010 | if (DataLen > 0) { |
| 1011 | SmallVector<uint32_t, 4> DeclIDs; |
| 1012 | for (; DataLen > 0; DataLen -= 4) |
| 1013 | DeclIDs.push_back(Reader.getGlobalDeclID( |
| 1014 | F, endian::readNext<uint32_t, little, unaligned>(d))); |
| 1015 | Reader.SetGloballyVisibleDecls(II, DeclIDs); |
| 1016 | } |
| 1017 | |
| 1018 | return II; |
| 1019 | } |
| 1020 | |
| 1021 | DeclarationNameKey::DeclarationNameKey(DeclarationName Name) |
| 1022 | : Kind(Name.getNameKind()) { |
| 1023 | switch (Kind) { |
| 1024 | case DeclarationName::Identifier: |
| 1025 | Data = (uint64_t)Name.getAsIdentifierInfo(); |
| 1026 | break; |
| 1027 | case DeclarationName::ObjCZeroArgSelector: |
| 1028 | case DeclarationName::ObjCOneArgSelector: |
| 1029 | case DeclarationName::ObjCMultiArgSelector: |
| 1030 | Data = (uint64_t)Name.getObjCSelector().getAsOpaquePtr(); |
| 1031 | break; |
| 1032 | case DeclarationName::CXXOperatorName: |
| 1033 | Data = Name.getCXXOverloadedOperator(); |
| 1034 | break; |
| 1035 | case DeclarationName::CXXLiteralOperatorName: |
| 1036 | Data = (uint64_t)Name.getCXXLiteralIdentifier(); |
| 1037 | break; |
| 1038 | case DeclarationName::CXXDeductionGuideName: |
| 1039 | Data = (uint64_t)Name.getCXXDeductionGuideTemplate() |
| 1040 | ->getDeclName().getAsIdentifierInfo(); |
| 1041 | break; |
| 1042 | case DeclarationName::CXXConstructorName: |
| 1043 | case DeclarationName::CXXDestructorName: |
| 1044 | case DeclarationName::CXXConversionFunctionName: |
| 1045 | case DeclarationName::CXXUsingDirective: |
| 1046 | Data = 0; |
| 1047 | break; |
| 1048 | } |
| 1049 | } |
| 1050 | |
| 1051 | unsigned DeclarationNameKey::getHash() const { |
| 1052 | llvm::FoldingSetNodeID ID; |
| 1053 | ID.AddInteger(Kind); |
| 1054 | |
| 1055 | switch (Kind) { |
| 1056 | case DeclarationName::Identifier: |
| 1057 | case DeclarationName::CXXLiteralOperatorName: |
| 1058 | case DeclarationName::CXXDeductionGuideName: |
| 1059 | ID.AddString(((IdentifierInfo*)Data)->getName()); |
| 1060 | break; |
| 1061 | case DeclarationName::ObjCZeroArgSelector: |
| 1062 | case DeclarationName::ObjCOneArgSelector: |
| 1063 | case DeclarationName::ObjCMultiArgSelector: |
| 1064 | ID.AddInteger(serialization::ComputeHash(Selector(Data))); |
| 1065 | break; |
| 1066 | case DeclarationName::CXXOperatorName: |
| 1067 | ID.AddInteger((OverloadedOperatorKind)Data); |
| 1068 | break; |
| 1069 | case DeclarationName::CXXConstructorName: |
| 1070 | case DeclarationName::CXXDestructorName: |
| 1071 | case DeclarationName::CXXConversionFunctionName: |
| 1072 | case DeclarationName::CXXUsingDirective: |
| 1073 | break; |
| 1074 | } |
| 1075 | |
| 1076 | return ID.ComputeHash(); |
| 1077 | } |
| 1078 | |
| 1079 | ModuleFile * |
| 1080 | ASTDeclContextNameLookupTrait::ReadFileRef(const unsigned char *&d) { |
| 1081 | using namespace llvm::support; |
| 1082 | |
| 1083 | uint32_t ModuleFileID = endian::readNext<uint32_t, little, unaligned>(d); |
| 1084 | return Reader.getLocalModuleFile(F, ModuleFileID); |
| 1085 | } |
| 1086 | |
| 1087 | std::pair<unsigned, unsigned> |
| 1088 | ASTDeclContextNameLookupTrait::ReadKeyDataLength(const unsigned char *&d) { |
| 1089 | using namespace llvm::support; |
| 1090 | |
| 1091 | unsigned KeyLen = endian::readNext<uint16_t, little, unaligned>(d); |
| 1092 | unsigned DataLen = endian::readNext<uint16_t, little, unaligned>(d); |
| 1093 | return std::make_pair(KeyLen, DataLen); |
| 1094 | } |
| 1095 | |
| 1096 | ASTDeclContextNameLookupTrait::internal_key_type |
| 1097 | ASTDeclContextNameLookupTrait::ReadKey(const unsigned char *d, unsigned) { |
| 1098 | using namespace llvm::support; |
| 1099 | |
| 1100 | auto Kind = (DeclarationName::NameKind)*d++; |
| 1101 | uint64_t Data; |
| 1102 | switch (Kind) { |
| 1103 | case DeclarationName::Identifier: |
| 1104 | case DeclarationName::CXXLiteralOperatorName: |
| 1105 | case DeclarationName::CXXDeductionGuideName: |
| 1106 | Data = (uint64_t)Reader.getLocalIdentifier( |
| 1107 | F, endian::readNext<uint32_t, little, unaligned>(d)); |
| 1108 | break; |
| 1109 | case DeclarationName::ObjCZeroArgSelector: |
| 1110 | case DeclarationName::ObjCOneArgSelector: |
| 1111 | case DeclarationName::ObjCMultiArgSelector: |
| 1112 | Data = |
| 1113 | (uint64_t)Reader.getLocalSelector( |
| 1114 | F, endian::readNext<uint32_t, little, unaligned>( |
| 1115 | d)).getAsOpaquePtr(); |
| 1116 | break; |
| 1117 | case DeclarationName::CXXOperatorName: |
| 1118 | Data = *d++; // OverloadedOperatorKind |
| 1119 | break; |
| 1120 | case DeclarationName::CXXConstructorName: |
| 1121 | case DeclarationName::CXXDestructorName: |
| 1122 | case DeclarationName::CXXConversionFunctionName: |
| 1123 | case DeclarationName::CXXUsingDirective: |
| 1124 | Data = 0; |
| 1125 | break; |
| 1126 | } |
| 1127 | |
| 1128 | return DeclarationNameKey(Kind, Data); |
| 1129 | } |
| 1130 | |
| 1131 | void ASTDeclContextNameLookupTrait::ReadDataInto(internal_key_type, |
| 1132 | const unsigned char *d, |
| 1133 | unsigned DataLen, |
| 1134 | data_type_builder &Val) { |
| 1135 | using namespace llvm::support; |
| 1136 | |
| 1137 | for (unsigned NumDecls = DataLen / 4; NumDecls; --NumDecls) { |
| 1138 | uint32_t LocalID = endian::readNext<uint32_t, little, unaligned>(d); |
| 1139 | Val.insert(Reader.getGlobalDeclID(F, LocalID)); |
| 1140 | } |
| 1141 | } |
| 1142 | |
| 1143 | bool ASTReader::ReadLexicalDeclContextStorage(ModuleFile &M, |
| 1144 | BitstreamCursor &Cursor, |
| 1145 | uint64_t Offset, |
| 1146 | DeclContext *DC) { |
| 1147 | assert(Offset != 0); |
| 1148 | |
| 1149 | SavedStreamPosition SavedPosition(Cursor); |
| 1150 | if (llvm::Error Err = Cursor.JumpToBit(Offset)) { |
| 1151 | Error(std::move(Err)); |
| 1152 | return true; |
| 1153 | } |
| 1154 | |
| 1155 | RecordData Record; |
| 1156 | StringRef Blob; |
| 1157 | Expected<unsigned> MaybeCode = Cursor.ReadCode(); |
| 1158 | if (!MaybeCode) { |
| 1159 | Error(MaybeCode.takeError()); |
| 1160 | return true; |
| 1161 | } |
| 1162 | unsigned Code = MaybeCode.get(); |
| 1163 | |
| 1164 | Expected<unsigned> MaybeRecCode = Cursor.readRecord(Code, Record, &Blob); |
| 1165 | if (!MaybeRecCode) { |
| 1166 | Error(MaybeRecCode.takeError()); |
| 1167 | return true; |
| 1168 | } |
| 1169 | unsigned RecCode = MaybeRecCode.get(); |
| 1170 | if (RecCode != DECL_CONTEXT_LEXICAL) { |
| 1171 | Error("Expected lexical block" ); |
| 1172 | return true; |
| 1173 | } |
| 1174 | |
| 1175 | assert(!isa<TranslationUnitDecl>(DC) && |
| 1176 | "expected a TU_UPDATE_LEXICAL record for TU" ); |
| 1177 | // If we are handling a C++ class template instantiation, we can see multiple |
| 1178 | // lexical updates for the same record. It's important that we select only one |
| 1179 | // of them, so that field numbering works properly. Just pick the first one we |
| 1180 | // see. |
| 1181 | auto &Lex = LexicalDecls[DC]; |
| 1182 | if (!Lex.first) { |
| 1183 | Lex = std::make_pair( |
| 1184 | &M, llvm::makeArrayRef( |
| 1185 | reinterpret_cast<const llvm::support::unaligned_uint32_t *>( |
| 1186 | Blob.data()), |
| 1187 | Blob.size() / 4)); |
| 1188 | } |
| 1189 | DC->setHasExternalLexicalStorage(true); |
| 1190 | return false; |
| 1191 | } |
| 1192 | |
| 1193 | bool ASTReader::ReadVisibleDeclContextStorage(ModuleFile &M, |
| 1194 | BitstreamCursor &Cursor, |
| 1195 | uint64_t Offset, |
| 1196 | DeclID ID) { |
| 1197 | assert(Offset != 0); |
| 1198 | |
| 1199 | SavedStreamPosition SavedPosition(Cursor); |
| 1200 | if (llvm::Error Err = Cursor.JumpToBit(Offset)) { |
| 1201 | Error(std::move(Err)); |
| 1202 | return true; |
| 1203 | } |
| 1204 | |
| 1205 | RecordData Record; |
| 1206 | StringRef Blob; |
| 1207 | Expected<unsigned> MaybeCode = Cursor.ReadCode(); |
| 1208 | if (!MaybeCode) { |
| 1209 | Error(MaybeCode.takeError()); |
| 1210 | return true; |
| 1211 | } |
| 1212 | unsigned Code = MaybeCode.get(); |
| 1213 | |
| 1214 | Expected<unsigned> MaybeRecCode = Cursor.readRecord(Code, Record, &Blob); |
| 1215 | if (!MaybeRecCode) { |
| 1216 | Error(MaybeRecCode.takeError()); |
| 1217 | return true; |
| 1218 | } |
| 1219 | unsigned RecCode = MaybeRecCode.get(); |
| 1220 | if (RecCode != DECL_CONTEXT_VISIBLE) { |
| 1221 | Error("Expected visible lookup table block" ); |
| 1222 | return true; |
| 1223 | } |
| 1224 | |
| 1225 | // We can't safely determine the primary context yet, so delay attaching the |
| 1226 | // lookup table until we're done with recursive deserialization. |
| 1227 | auto *Data = (const unsigned char*)Blob.data(); |
| 1228 | PendingVisibleUpdates[ID].push_back(PendingVisibleUpdate{&M, Data}); |
| 1229 | return false; |
| 1230 | } |
| 1231 | |
| 1232 | void ASTReader::Error(StringRef Msg) const { |
| 1233 | Error(diag::err_fe_pch_malformed, Msg); |
| 1234 | if (PP.getLangOpts().Modules && !Diags.isDiagnosticInFlight() && |
| 1235 | !PP.getHeaderSearchInfo().getModuleCachePath().empty()) { |
| 1236 | Diag(diag::note_module_cache_path) |
| 1237 | << PP.getHeaderSearchInfo().getModuleCachePath(); |
| 1238 | } |
| 1239 | } |
| 1240 | |
| 1241 | void ASTReader::Error(unsigned DiagID, StringRef Arg1, StringRef Arg2, |
| 1242 | StringRef Arg3) const { |
| 1243 | if (Diags.isDiagnosticInFlight()) |
| 1244 | Diags.SetDelayedDiagnostic(DiagID, Arg1, Arg2, Arg3); |
| 1245 | else |
| 1246 | Diag(DiagID) << Arg1 << Arg2 << Arg3; |
| 1247 | } |
| 1248 | |
| 1249 | void ASTReader::Error(llvm::Error &&Err) const { |
| 1250 | Error(toString(std::move(Err))); |
| 1251 | } |
| 1252 | |
| 1253 | //===----------------------------------------------------------------------===// |
| 1254 | // Source Manager Deserialization |
| 1255 | //===----------------------------------------------------------------------===// |
| 1256 | |
| 1257 | /// Read the line table in the source manager block. |
| 1258 | /// \returns true if there was an error. |
| 1259 | bool ASTReader::ParseLineTable(ModuleFile &F, |
| 1260 | const RecordData &Record) { |
| 1261 | unsigned Idx = 0; |
| 1262 | LineTableInfo &LineTable = SourceMgr.getLineTable(); |
| 1263 | |
| 1264 | // Parse the file names |
| 1265 | std::map<int, int> FileIDs; |
| 1266 | FileIDs[-1] = -1; // For unspecified filenames. |
| 1267 | for (unsigned I = 0; Record[Idx]; ++I) { |
| 1268 | // Extract the file name |
| 1269 | auto Filename = ReadPath(F, Record, Idx); |
| 1270 | FileIDs[I] = LineTable.getLineTableFilenameID(Filename); |
| 1271 | } |
| 1272 | ++Idx; |
| 1273 | |
| 1274 | // Parse the line entries |
| 1275 | std::vector<LineEntry> Entries; |
| 1276 | while (Idx < Record.size()) { |
| 1277 | int FID = Record[Idx++]; |
| 1278 | assert(FID >= 0 && "Serialized line entries for non-local file." ); |
| 1279 | // Remap FileID from 1-based old view. |
| 1280 | FID += F.SLocEntryBaseID - 1; |
| 1281 | |
| 1282 | // Extract the line entries |
| 1283 | unsigned NumEntries = Record[Idx++]; |
| 1284 | assert(NumEntries && "no line entries for file ID" ); |
| 1285 | Entries.clear(); |
| 1286 | Entries.reserve(NumEntries); |
| 1287 | for (unsigned I = 0; I != NumEntries; ++I) { |
| 1288 | unsigned FileOffset = Record[Idx++]; |
| 1289 | unsigned LineNo = Record[Idx++]; |
| 1290 | int FilenameID = FileIDs[Record[Idx++]]; |
| 1291 | SrcMgr::CharacteristicKind FileKind |
| 1292 | = (SrcMgr::CharacteristicKind)Record[Idx++]; |
| 1293 | unsigned IncludeOffset = Record[Idx++]; |
| 1294 | Entries.push_back(LineEntry::get(FileOffset, LineNo, FilenameID, |
| 1295 | FileKind, IncludeOffset)); |
| 1296 | } |
| 1297 | LineTable.AddEntry(FileID::get(FID), Entries); |
| 1298 | } |
| 1299 | |
| 1300 | return false; |
| 1301 | } |
| 1302 | |
| 1303 | /// Read a source manager block |
| 1304 | bool ASTReader::ReadSourceManagerBlock(ModuleFile &F) { |
| 1305 | using namespace SrcMgr; |
| 1306 | |
| 1307 | BitstreamCursor &SLocEntryCursor = F.SLocEntryCursor; |
| 1308 | |
| 1309 | // Set the source-location entry cursor to the current position in |
| 1310 | // the stream. This cursor will be used to read the contents of the |
| 1311 | // source manager block initially, and then lazily read |
| 1312 | // source-location entries as needed. |
| 1313 | SLocEntryCursor = F.Stream; |
| 1314 | |
| 1315 | // The stream itself is going to skip over the source manager block. |
| 1316 | if (llvm::Error Err = F.Stream.SkipBlock()) { |
| 1317 | Error(std::move(Err)); |
| 1318 | return true; |
| 1319 | } |
| 1320 | |
| 1321 | // Enter the source manager block. |
| 1322 | if (llvm::Error Err = |
| 1323 | SLocEntryCursor.EnterSubBlock(SOURCE_MANAGER_BLOCK_ID)) { |
| 1324 | Error(std::move(Err)); |
| 1325 | return true; |
| 1326 | } |
| 1327 | F.SourceManagerBlockStartOffset = SLocEntryCursor.GetCurrentBitNo(); |
| 1328 | |
| 1329 | RecordData Record; |
| 1330 | while (true) { |
| 1331 | Expected<llvm::BitstreamEntry> MaybeE = |
| 1332 | SLocEntryCursor.advanceSkippingSubblocks(); |
| 1333 | if (!MaybeE) { |
| 1334 | Error(MaybeE.takeError()); |
| 1335 | return true; |
| 1336 | } |
| 1337 | llvm::BitstreamEntry E = MaybeE.get(); |
| 1338 | |
| 1339 | switch (E.Kind) { |
| 1340 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. |
| 1341 | case llvm::BitstreamEntry::Error: |
| 1342 | Error("malformed block record in AST file" ); |
| 1343 | return true; |
| 1344 | case llvm::BitstreamEntry::EndBlock: |
| 1345 | return false; |
| 1346 | case llvm::BitstreamEntry::Record: |
| 1347 | // The interesting case. |
| 1348 | break; |
| 1349 | } |
| 1350 | |
| 1351 | // Read a record. |
| 1352 | Record.clear(); |
| 1353 | StringRef Blob; |
| 1354 | Expected<unsigned> MaybeRecord = |
| 1355 | SLocEntryCursor.readRecord(E.ID, Record, &Blob); |
| 1356 | if (!MaybeRecord) { |
| 1357 | Error(MaybeRecord.takeError()); |
| 1358 | return true; |
| 1359 | } |
| 1360 | switch (MaybeRecord.get()) { |
| 1361 | default: // Default behavior: ignore. |
| 1362 | break; |
| 1363 | |
| 1364 | case SM_SLOC_FILE_ENTRY: |
| 1365 | case SM_SLOC_BUFFER_ENTRY: |
| 1366 | case SM_SLOC_EXPANSION_ENTRY: |
| 1367 | // Once we hit one of the source location entries, we're done. |
| 1368 | return false; |
| 1369 | } |
| 1370 | } |
| 1371 | } |
| 1372 | |
| 1373 | /// If a header file is not found at the path that we expect it to be |
| 1374 | /// and the PCH file was moved from its original location, try to resolve the |
| 1375 | /// file by assuming that header+PCH were moved together and the header is in |
| 1376 | /// the same place relative to the PCH. |
| 1377 | static std::string |
| 1378 | resolveFileRelativeToOriginalDir(const std::string &Filename, |
| 1379 | const std::string &OriginalDir, |
| 1380 | const std::string &CurrDir) { |
| 1381 | assert(OriginalDir != CurrDir && |
| 1382 | "No point trying to resolve the file if the PCH dir didn't change" ); |
| 1383 | |
| 1384 | using namespace llvm::sys; |
| 1385 | |
| 1386 | SmallString<128> filePath(Filename); |
| 1387 | fs::make_absolute(filePath); |
| 1388 | assert(path::is_absolute(OriginalDir)); |
| 1389 | SmallString<128> currPCHPath(CurrDir); |
| 1390 | |
| 1391 | path::const_iterator fileDirI = path::begin(path::parent_path(filePath)), |
| 1392 | fileDirE = path::end(path::parent_path(filePath)); |
| 1393 | path::const_iterator origDirI = path::begin(OriginalDir), |
| 1394 | origDirE = path::end(OriginalDir); |
| 1395 | // Skip the common path components from filePath and OriginalDir. |
| 1396 | while (fileDirI != fileDirE && origDirI != origDirE && |
| 1397 | *fileDirI == *origDirI) { |
| 1398 | ++fileDirI; |
| 1399 | ++origDirI; |
| 1400 | } |
| 1401 | for (; origDirI != origDirE; ++origDirI) |
| 1402 | path::append(currPCHPath, ".." ); |
| 1403 | path::append(currPCHPath, fileDirI, fileDirE); |
| 1404 | path::append(currPCHPath, path::filename(Filename)); |
| 1405 | return std::string(currPCHPath.str()); |
| 1406 | } |
| 1407 | |
| 1408 | bool ASTReader::ReadSLocEntry(int ID) { |
| 1409 | if (ID == 0) |
| 1410 | return false; |
| 1411 | |
| 1412 | if (unsigned(-ID) - 2 >= getTotalNumSLocs() || ID > 0) { |
| 1413 | Error("source location entry ID out-of-range for AST file" ); |
| 1414 | return true; |
| 1415 | } |
| 1416 | |
| 1417 | // Local helper to read the (possibly-compressed) buffer data following the |
| 1418 | // entry record. |
| 1419 | auto ReadBuffer = [this]( |
| 1420 | BitstreamCursor &SLocEntryCursor, |
| 1421 | StringRef Name) -> std::unique_ptr<llvm::MemoryBuffer> { |
| 1422 | RecordData Record; |
| 1423 | StringRef Blob; |
| 1424 | Expected<unsigned> MaybeCode = SLocEntryCursor.ReadCode(); |
| 1425 | if (!MaybeCode) { |
| 1426 | Error(MaybeCode.takeError()); |
| 1427 | return nullptr; |
| 1428 | } |
| 1429 | unsigned Code = MaybeCode.get(); |
| 1430 | |
| 1431 | Expected<unsigned> MaybeRecCode = |
| 1432 | SLocEntryCursor.readRecord(Code, Record, &Blob); |
| 1433 | if (!MaybeRecCode) { |
| 1434 | Error(MaybeRecCode.takeError()); |
| 1435 | return nullptr; |
| 1436 | } |
| 1437 | unsigned RecCode = MaybeRecCode.get(); |
| 1438 | |
| 1439 | if (RecCode == SM_SLOC_BUFFER_BLOB_COMPRESSED) { |
| 1440 | if (!llvm::zlib::isAvailable()) { |
| 1441 | Error("zlib is not available" ); |
| 1442 | return nullptr; |
| 1443 | } |
| 1444 | SmallString<0> Uncompressed; |
| 1445 | if (llvm::Error E = |
| 1446 | llvm::zlib::uncompress(Blob, Uncompressed, Record[0])) { |
| 1447 | Error("could not decompress embedded file contents: " + |
| 1448 | llvm::toString(std::move(E))); |
| 1449 | return nullptr; |
| 1450 | } |
| 1451 | return llvm::MemoryBuffer::getMemBufferCopy(Uncompressed, Name); |
| 1452 | } else if (RecCode == SM_SLOC_BUFFER_BLOB) { |
| 1453 | return llvm::MemoryBuffer::getMemBuffer(Blob.drop_back(1), Name, true); |
| 1454 | } else { |
| 1455 | Error("AST record has invalid code" ); |
| 1456 | return nullptr; |
| 1457 | } |
| 1458 | }; |
| 1459 | |
| 1460 | ModuleFile *F = GlobalSLocEntryMap.find(-ID)->second; |
| 1461 | if (llvm::Error Err = F->SLocEntryCursor.JumpToBit( |
| 1462 | F->SLocEntryOffsetsBase + |
| 1463 | F->SLocEntryOffsets[ID - F->SLocEntryBaseID])) { |
| 1464 | Error(std::move(Err)); |
| 1465 | return true; |
| 1466 | } |
| 1467 | |
| 1468 | BitstreamCursor &SLocEntryCursor = F->SLocEntryCursor; |
| 1469 | unsigned BaseOffset = F->SLocEntryBaseOffset; |
| 1470 | |
| 1471 | ++NumSLocEntriesRead; |
| 1472 | Expected<llvm::BitstreamEntry> MaybeEntry = SLocEntryCursor.advance(); |
| 1473 | if (!MaybeEntry) { |
| 1474 | Error(MaybeEntry.takeError()); |
| 1475 | return true; |
| 1476 | } |
| 1477 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 1478 | |
| 1479 | if (Entry.Kind != llvm::BitstreamEntry::Record) { |
| 1480 | Error("incorrectly-formatted source location entry in AST file" ); |
| 1481 | return true; |
| 1482 | } |
| 1483 | |
| 1484 | RecordData Record; |
| 1485 | StringRef Blob; |
| 1486 | Expected<unsigned> MaybeSLOC = |
| 1487 | SLocEntryCursor.readRecord(Entry.ID, Record, &Blob); |
| 1488 | if (!MaybeSLOC) { |
| 1489 | Error(MaybeSLOC.takeError()); |
| 1490 | return true; |
| 1491 | } |
| 1492 | switch (MaybeSLOC.get()) { |
| 1493 | default: |
| 1494 | Error("incorrectly-formatted source location entry in AST file" ); |
| 1495 | return true; |
| 1496 | |
| 1497 | case SM_SLOC_FILE_ENTRY: { |
| 1498 | // We will detect whether a file changed and return 'Failure' for it, but |
| 1499 | // we will also try to fail gracefully by setting up the SLocEntry. |
| 1500 | unsigned InputID = Record[4]; |
| 1501 | InputFile IF = getInputFile(*F, InputID); |
| 1502 | Optional<FileEntryRef> File = IF.getFile(); |
| 1503 | bool OverriddenBuffer = IF.isOverridden(); |
| 1504 | |
| 1505 | // Note that we only check if a File was returned. If it was out-of-date |
| 1506 | // we have complained but we will continue creating a FileID to recover |
| 1507 | // gracefully. |
| 1508 | if (!File) |
| 1509 | return true; |
| 1510 | |
| 1511 | SourceLocation IncludeLoc = ReadSourceLocation(*F, Record[1]); |
| 1512 | if (IncludeLoc.isInvalid() && F->Kind != MK_MainFile) { |
| 1513 | // This is the module's main file. |
| 1514 | IncludeLoc = getImportLocation(F); |
| 1515 | } |
| 1516 | SrcMgr::CharacteristicKind |
| 1517 | FileCharacter = (SrcMgr::CharacteristicKind)Record[2]; |
| 1518 | FileID FID = SourceMgr.createFileID(*File, IncludeLoc, FileCharacter, ID, |
| 1519 | BaseOffset + Record[0]); |
| 1520 | SrcMgr::FileInfo &FileInfo = |
| 1521 | const_cast<SrcMgr::FileInfo&>(SourceMgr.getSLocEntry(FID).getFile()); |
| 1522 | FileInfo.NumCreatedFIDs = Record[5]; |
| 1523 | if (Record[3]) |
| 1524 | FileInfo.setHasLineDirectives(); |
| 1525 | |
| 1526 | unsigned NumFileDecls = Record[7]; |
| 1527 | if (NumFileDecls && ContextObj) { |
| 1528 | const DeclID *FirstDecl = F->FileSortedDecls + Record[6]; |
| 1529 | assert(F->FileSortedDecls && "FILE_SORTED_DECLS not encountered yet ?" ); |
| 1530 | FileDeclIDs[FID] = FileDeclsInfo(F, llvm::makeArrayRef(FirstDecl, |
| 1531 | NumFileDecls)); |
| 1532 | } |
| 1533 | |
| 1534 | const SrcMgr::ContentCache &ContentCache = |
| 1535 | SourceMgr.getOrCreateContentCache(*File, isSystem(FileCharacter)); |
| 1536 | if (OverriddenBuffer && !ContentCache.BufferOverridden && |
| 1537 | ContentCache.ContentsEntry == ContentCache.OrigEntry && |
| 1538 | !ContentCache.getBufferIfLoaded()) { |
| 1539 | auto Buffer = ReadBuffer(SLocEntryCursor, File->getName()); |
| 1540 | if (!Buffer) |
| 1541 | return true; |
| 1542 | SourceMgr.overrideFileContents(*File, std::move(Buffer)); |
| 1543 | } |
| 1544 | |
| 1545 | break; |
| 1546 | } |
| 1547 | |
| 1548 | case SM_SLOC_BUFFER_ENTRY: { |
| 1549 | const char *Name = Blob.data(); |
| 1550 | unsigned Offset = Record[0]; |
| 1551 | SrcMgr::CharacteristicKind |
| 1552 | FileCharacter = (SrcMgr::CharacteristicKind)Record[2]; |
| 1553 | SourceLocation IncludeLoc = ReadSourceLocation(*F, Record[1]); |
| 1554 | if (IncludeLoc.isInvalid() && F->isModule()) { |
| 1555 | IncludeLoc = getImportLocation(F); |
| 1556 | } |
| 1557 | |
| 1558 | auto Buffer = ReadBuffer(SLocEntryCursor, Name); |
| 1559 | if (!Buffer) |
| 1560 | return true; |
| 1561 | SourceMgr.createFileID(std::move(Buffer), FileCharacter, ID, |
| 1562 | BaseOffset + Offset, IncludeLoc); |
| 1563 | break; |
| 1564 | } |
| 1565 | |
| 1566 | case SM_SLOC_EXPANSION_ENTRY: { |
| 1567 | SourceLocation SpellingLoc = ReadSourceLocation(*F, Record[1]); |
| 1568 | SourceMgr.createExpansionLoc(SpellingLoc, |
| 1569 | ReadSourceLocation(*F, Record[2]), |
| 1570 | ReadSourceLocation(*F, Record[3]), |
| 1571 | Record[5], |
| 1572 | Record[4], |
| 1573 | ID, |
| 1574 | BaseOffset + Record[0]); |
| 1575 | break; |
| 1576 | } |
| 1577 | } |
| 1578 | |
| 1579 | return false; |
| 1580 | } |
| 1581 | |
| 1582 | std::pair<SourceLocation, StringRef> ASTReader::getModuleImportLoc(int ID) { |
| 1583 | if (ID == 0) |
| 1584 | return std::make_pair(SourceLocation(), "" ); |
| 1585 | |
| 1586 | if (unsigned(-ID) - 2 >= getTotalNumSLocs() || ID > 0) { |
| 1587 | Error("source location entry ID out-of-range for AST file" ); |
| 1588 | return std::make_pair(SourceLocation(), "" ); |
| 1589 | } |
| 1590 | |
| 1591 | // Find which module file this entry lands in. |
| 1592 | ModuleFile *M = GlobalSLocEntryMap.find(-ID)->second; |
| 1593 | if (!M->isModule()) |
| 1594 | return std::make_pair(SourceLocation(), "" ); |
| 1595 | |
| 1596 | // FIXME: Can we map this down to a particular submodule? That would be |
| 1597 | // ideal. |
| 1598 | return std::make_pair(M->ImportLoc, StringRef(M->ModuleName)); |
| 1599 | } |
| 1600 | |
| 1601 | /// Find the location where the module F is imported. |
| 1602 | SourceLocation ASTReader::getImportLocation(ModuleFile *F) { |
| 1603 | if (F->ImportLoc.isValid()) |
| 1604 | return F->ImportLoc; |
| 1605 | |
| 1606 | // Otherwise we have a PCH. It's considered to be "imported" at the first |
| 1607 | // location of its includer. |
| 1608 | if (F->ImportedBy.empty() || !F->ImportedBy[0]) { |
| 1609 | // Main file is the importer. |
| 1610 | assert(SourceMgr.getMainFileID().isValid() && "missing main file" ); |
| 1611 | return SourceMgr.getLocForStartOfFile(SourceMgr.getMainFileID()); |
| 1612 | } |
| 1613 | return F->ImportedBy[0]->FirstLoc; |
| 1614 | } |
| 1615 | |
| 1616 | /// Enter a subblock of the specified BlockID with the specified cursor. Read |
| 1617 | /// the abbreviations that are at the top of the block and then leave the cursor |
| 1618 | /// pointing into the block. |
| 1619 | bool ASTReader::ReadBlockAbbrevs(BitstreamCursor &Cursor, unsigned BlockID, |
| 1620 | uint64_t *StartOfBlockOffset) { |
| 1621 | if (llvm::Error Err = Cursor.EnterSubBlock(BlockID)) { |
| 1622 | // FIXME this drops errors on the floor. |
| 1623 | consumeError(std::move(Err)); |
| 1624 | return true; |
| 1625 | } |
| 1626 | |
| 1627 | if (StartOfBlockOffset) |
| 1628 | *StartOfBlockOffset = Cursor.GetCurrentBitNo(); |
| 1629 | |
| 1630 | while (true) { |
| 1631 | uint64_t Offset = Cursor.GetCurrentBitNo(); |
| 1632 | Expected<unsigned> MaybeCode = Cursor.ReadCode(); |
| 1633 | if (!MaybeCode) { |
| 1634 | // FIXME this drops errors on the floor. |
| 1635 | consumeError(MaybeCode.takeError()); |
| 1636 | return true; |
| 1637 | } |
| 1638 | unsigned Code = MaybeCode.get(); |
| 1639 | |
| 1640 | // We expect all abbrevs to be at the start of the block. |
| 1641 | if (Code != llvm::bitc::DEFINE_ABBREV) { |
| 1642 | if (llvm::Error Err = Cursor.JumpToBit(Offset)) { |
| 1643 | // FIXME this drops errors on the floor. |
| 1644 | consumeError(std::move(Err)); |
| 1645 | return true; |
| 1646 | } |
| 1647 | return false; |
| 1648 | } |
| 1649 | if (llvm::Error Err = Cursor.ReadAbbrevRecord()) { |
| 1650 | // FIXME this drops errors on the floor. |
| 1651 | consumeError(std::move(Err)); |
| 1652 | return true; |
| 1653 | } |
| 1654 | } |
| 1655 | } |
| 1656 | |
| 1657 | Token ASTReader::ReadToken(ModuleFile &F, const RecordDataImpl &Record, |
| 1658 | unsigned &Idx) { |
| 1659 | Token Tok; |
| 1660 | Tok.startToken(); |
| 1661 | Tok.setLocation(ReadSourceLocation(F, Record, Idx)); |
| 1662 | Tok.setLength(Record[Idx++]); |
| 1663 | if (IdentifierInfo *II = getLocalIdentifier(F, Record[Idx++])) |
| 1664 | Tok.setIdentifierInfo(II); |
| 1665 | Tok.setKind((tok::TokenKind)Record[Idx++]); |
| 1666 | Tok.setFlag((Token::TokenFlags)Record[Idx++]); |
| 1667 | return Tok; |
| 1668 | } |
| 1669 | |
| 1670 | MacroInfo *ASTReader::ReadMacroRecord(ModuleFile &F, uint64_t Offset) { |
| 1671 | BitstreamCursor &Stream = F.MacroCursor; |
| 1672 | |
| 1673 | // Keep track of where we are in the stream, then jump back there |
| 1674 | // after reading this macro. |
| 1675 | SavedStreamPosition SavedPosition(Stream); |
| 1676 | |
| 1677 | if (llvm::Error Err = Stream.JumpToBit(Offset)) { |
| 1678 | // FIXME this drops errors on the floor. |
| 1679 | consumeError(std::move(Err)); |
| 1680 | return nullptr; |
| 1681 | } |
| 1682 | RecordData Record; |
| 1683 | SmallVector<IdentifierInfo*, 16> MacroParams; |
| 1684 | MacroInfo *Macro = nullptr; |
| 1685 | |
| 1686 | while (true) { |
| 1687 | // Advance to the next record, but if we get to the end of the block, don't |
| 1688 | // pop it (removing all the abbreviations from the cursor) since we want to |
| 1689 | // be able to reseek within the block and read entries. |
| 1690 | unsigned Flags = BitstreamCursor::AF_DontPopBlockAtEnd; |
| 1691 | Expected<llvm::BitstreamEntry> MaybeEntry = |
| 1692 | Stream.advanceSkippingSubblocks(Flags); |
| 1693 | if (!MaybeEntry) { |
| 1694 | Error(MaybeEntry.takeError()); |
| 1695 | return Macro; |
| 1696 | } |
| 1697 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 1698 | |
| 1699 | switch (Entry.Kind) { |
| 1700 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. |
| 1701 | case llvm::BitstreamEntry::Error: |
| 1702 | Error("malformed block record in AST file" ); |
| 1703 | return Macro; |
| 1704 | case llvm::BitstreamEntry::EndBlock: |
| 1705 | return Macro; |
| 1706 | case llvm::BitstreamEntry::Record: |
| 1707 | // The interesting case. |
| 1708 | break; |
| 1709 | } |
| 1710 | |
| 1711 | // Read a record. |
| 1712 | Record.clear(); |
| 1713 | PreprocessorRecordTypes RecType; |
| 1714 | if (Expected<unsigned> MaybeRecType = Stream.readRecord(Entry.ID, Record)) |
| 1715 | RecType = (PreprocessorRecordTypes)MaybeRecType.get(); |
| 1716 | else { |
| 1717 | Error(MaybeRecType.takeError()); |
| 1718 | return Macro; |
| 1719 | } |
| 1720 | switch (RecType) { |
| 1721 | case PP_MODULE_MACRO: |
| 1722 | case PP_MACRO_DIRECTIVE_HISTORY: |
| 1723 | return Macro; |
| 1724 | |
| 1725 | case PP_MACRO_OBJECT_LIKE: |
| 1726 | case PP_MACRO_FUNCTION_LIKE: { |
| 1727 | // If we already have a macro, that means that we've hit the end |
| 1728 | // of the definition of the macro we were looking for. We're |
| 1729 | // done. |
| 1730 | if (Macro) |
| 1731 | return Macro; |
| 1732 | |
| 1733 | unsigned NextIndex = 1; // Skip identifier ID. |
| 1734 | SourceLocation Loc = ReadSourceLocation(F, Record, NextIndex); |
| 1735 | MacroInfo *MI = PP.AllocateMacroInfo(Loc); |
| 1736 | MI->setDefinitionEndLoc(ReadSourceLocation(F, Record, NextIndex)); |
| 1737 | MI->setIsUsed(Record[NextIndex++]); |
| 1738 | MI->setUsedForHeaderGuard(Record[NextIndex++]); |
| 1739 | |
| 1740 | if (RecType == PP_MACRO_FUNCTION_LIKE) { |
| 1741 | // Decode function-like macro info. |
| 1742 | bool isC99VarArgs = Record[NextIndex++]; |
| 1743 | bool isGNUVarArgs = Record[NextIndex++]; |
| 1744 | bool hasCommaPasting = Record[NextIndex++]; |
| 1745 | MacroParams.clear(); |
| 1746 | unsigned NumArgs = Record[NextIndex++]; |
| 1747 | for (unsigned i = 0; i != NumArgs; ++i) |
| 1748 | MacroParams.push_back(getLocalIdentifier(F, Record[NextIndex++])); |
| 1749 | |
| 1750 | // Install function-like macro info. |
| 1751 | MI->setIsFunctionLike(); |
| 1752 | if (isC99VarArgs) MI->setIsC99Varargs(); |
| 1753 | if (isGNUVarArgs) MI->setIsGNUVarargs(); |
| 1754 | if (hasCommaPasting) MI->setHasCommaPasting(); |
| 1755 | MI->setParameterList(MacroParams, PP.getPreprocessorAllocator()); |
| 1756 | } |
| 1757 | |
| 1758 | // Remember that we saw this macro last so that we add the tokens that |
| 1759 | // form its body to it. |
| 1760 | Macro = MI; |
| 1761 | |
| 1762 | if (NextIndex + 1 == Record.size() && PP.getPreprocessingRecord() && |
| 1763 | Record[NextIndex]) { |
| 1764 | // We have a macro definition. Register the association |
| 1765 | PreprocessedEntityID |
| 1766 | GlobalID = getGlobalPreprocessedEntityID(F, Record[NextIndex]); |
| 1767 | PreprocessingRecord &PPRec = *PP.getPreprocessingRecord(); |
| 1768 | PreprocessingRecord::PPEntityID PPID = |
| 1769 | PPRec.getPPEntityID(GlobalID - 1, /*isLoaded=*/true); |
| 1770 | MacroDefinitionRecord *PPDef = cast_or_null<MacroDefinitionRecord>( |
| 1771 | PPRec.getPreprocessedEntity(PPID)); |
| 1772 | if (PPDef) |
| 1773 | PPRec.RegisterMacroDefinition(Macro, PPDef); |
| 1774 | } |
| 1775 | |
| 1776 | ++NumMacrosRead; |
| 1777 | break; |
| 1778 | } |
| 1779 | |
| 1780 | case PP_TOKEN: { |
| 1781 | // If we see a TOKEN before a PP_MACRO_*, then the file is |
| 1782 | // erroneous, just pretend we didn't see this. |
| 1783 | if (!Macro) break; |
| 1784 | |
| 1785 | unsigned Idx = 0; |
| 1786 | Token Tok = ReadToken(F, Record, Idx); |
| 1787 | Macro->AddTokenToBody(Tok); |
| 1788 | break; |
| 1789 | } |
| 1790 | } |
| 1791 | } |
| 1792 | } |
| 1793 | |
| 1794 | PreprocessedEntityID |
| 1795 | ASTReader::getGlobalPreprocessedEntityID(ModuleFile &M, |
| 1796 | unsigned LocalID) const { |
| 1797 | if (!M.ModuleOffsetMap.empty()) |
| 1798 | ReadModuleOffsetMap(M); |
| 1799 | |
| 1800 | ContinuousRangeMap<uint32_t, int, 2>::const_iterator |
| 1801 | I = M.PreprocessedEntityRemap.find(LocalID - NUM_PREDEF_PP_ENTITY_IDS); |
| 1802 | assert(I != M.PreprocessedEntityRemap.end() |
| 1803 | && "Invalid index into preprocessed entity index remap" ); |
| 1804 | |
| 1805 | return LocalID + I->second; |
| 1806 | } |
| 1807 | |
| 1808 | unsigned HeaderFileInfoTrait::(internal_key_ref ikey) { |
| 1809 | return llvm::hash_combine(ikey.Size, ikey.ModTime); |
| 1810 | } |
| 1811 | |
| 1812 | HeaderFileInfoTrait::internal_key_type |
| 1813 | HeaderFileInfoTrait::(const FileEntry *FE) { |
| 1814 | internal_key_type ikey = {FE->getSize(), |
| 1815 | M.HasTimestamps ? FE->getModificationTime() : 0, |
| 1816 | FE->getName(), /*Imported*/ false}; |
| 1817 | return ikey; |
| 1818 | } |
| 1819 | |
| 1820 | bool HeaderFileInfoTrait::(internal_key_ref a, internal_key_ref b) { |
| 1821 | if (a.Size != b.Size || (a.ModTime && b.ModTime && a.ModTime != b.ModTime)) |
| 1822 | return false; |
| 1823 | |
| 1824 | if (llvm::sys::path::is_absolute(a.Filename) && a.Filename == b.Filename) |
| 1825 | return true; |
| 1826 | |
| 1827 | // Determine whether the actual files are equivalent. |
| 1828 | FileManager &FileMgr = Reader.getFileManager(); |
| 1829 | auto GetFile = [&](const internal_key_type &Key) -> const FileEntry* { |
| 1830 | if (!Key.Imported) { |
| 1831 | if (auto File = FileMgr.getFile(Key.Filename)) |
| 1832 | return *File; |
| 1833 | return nullptr; |
| 1834 | } |
| 1835 | |
| 1836 | std::string Resolved = std::string(Key.Filename); |
| 1837 | Reader.ResolveImportedPath(M, Resolved); |
| 1838 | if (auto File = FileMgr.getFile(Resolved)) |
| 1839 | return *File; |
| 1840 | return nullptr; |
| 1841 | }; |
| 1842 | |
| 1843 | const FileEntry *FEA = GetFile(a); |
| 1844 | const FileEntry *FEB = GetFile(b); |
| 1845 | return FEA && FEA == FEB; |
| 1846 | } |
| 1847 | |
| 1848 | std::pair<unsigned, unsigned> |
| 1849 | HeaderFileInfoTrait::(const unsigned char*& d) { |
| 1850 | using namespace llvm::support; |
| 1851 | |
| 1852 | unsigned KeyLen = (unsigned) endian::readNext<uint16_t, little, unaligned>(d); |
| 1853 | unsigned DataLen = (unsigned) *d++; |
| 1854 | return std::make_pair(KeyLen, DataLen); |
| 1855 | } |
| 1856 | |
| 1857 | HeaderFileInfoTrait::internal_key_type |
| 1858 | HeaderFileInfoTrait::(const unsigned char *d, unsigned) { |
| 1859 | using namespace llvm::support; |
| 1860 | |
| 1861 | internal_key_type ikey; |
| 1862 | ikey.Size = off_t(endian::readNext<uint64_t, little, unaligned>(d)); |
| 1863 | ikey.ModTime = time_t(endian::readNext<uint64_t, little, unaligned>(d)); |
| 1864 | ikey.Filename = (const char *)d; |
| 1865 | ikey.Imported = true; |
| 1866 | return ikey; |
| 1867 | } |
| 1868 | |
| 1869 | HeaderFileInfoTrait::data_type |
| 1870 | HeaderFileInfoTrait::(internal_key_ref key, const unsigned char *d, |
| 1871 | unsigned DataLen) { |
| 1872 | using namespace llvm::support; |
| 1873 | |
| 1874 | const unsigned char *End = d + DataLen; |
| 1875 | HeaderFileInfo HFI; |
| 1876 | unsigned Flags = *d++; |
| 1877 | // FIXME: Refactor with mergeHeaderFileInfo in HeaderSearch.cpp. |
| 1878 | HFI.isImport |= (Flags >> 5) & 0x01; |
| 1879 | HFI.isPragmaOnce |= (Flags >> 4) & 0x01; |
| 1880 | HFI.DirInfo = (Flags >> 1) & 0x07; |
| 1881 | HFI.IndexHeaderMapHeader = Flags & 0x01; |
| 1882 | // FIXME: Find a better way to handle this. Maybe just store a |
| 1883 | // "has been included" flag? |
| 1884 | HFI.NumIncludes = std::max(endian::readNext<uint16_t, little, unaligned>(d), |
| 1885 | HFI.NumIncludes); |
| 1886 | HFI.ControllingMacroID = Reader.getGlobalIdentifierID( |
| 1887 | M, endian::readNext<uint32_t, little, unaligned>(d)); |
| 1888 | if (unsigned FrameworkOffset = |
| 1889 | endian::readNext<uint32_t, little, unaligned>(d)) { |
| 1890 | // The framework offset is 1 greater than the actual offset, |
| 1891 | // since 0 is used as an indicator for "no framework name". |
| 1892 | StringRef FrameworkName(FrameworkStrings + FrameworkOffset - 1); |
| 1893 | HFI.Framework = HS->getUniqueFrameworkName(FrameworkName); |
| 1894 | } |
| 1895 | |
| 1896 | assert((End - d) % 4 == 0 && |
| 1897 | "Wrong data length in HeaderFileInfo deserialization" ); |
| 1898 | while (d != End) { |
| 1899 | uint32_t LocalSMID = endian::readNext<uint32_t, little, unaligned>(d); |
| 1900 | auto = static_cast<ModuleMap::ModuleHeaderRole>(LocalSMID & 3); |
| 1901 | LocalSMID >>= 2; |
| 1902 | |
| 1903 | // This header is part of a module. Associate it with the module to enable |
| 1904 | // implicit module import. |
| 1905 | SubmoduleID GlobalSMID = Reader.getGlobalSubmoduleID(M, LocalSMID); |
| 1906 | Module *Mod = Reader.getSubmodule(GlobalSMID); |
| 1907 | FileManager &FileMgr = Reader.getFileManager(); |
| 1908 | ModuleMap &ModMap = |
| 1909 | Reader.getPreprocessor().getHeaderSearchInfo().getModuleMap(); |
| 1910 | |
| 1911 | std::string Filename = std::string(key.Filename); |
| 1912 | if (key.Imported) |
| 1913 | Reader.ResolveImportedPath(M, Filename); |
| 1914 | // FIXME: This is not always the right filename-as-written, but we're not |
| 1915 | // going to use this information to rebuild the module, so it doesn't make |
| 1916 | // a lot of difference. |
| 1917 | Module::Header H = {std::string(key.Filename), |
| 1918 | *FileMgr.getOptionalFileRef(Filename)}; |
| 1919 | ModMap.addHeader(Mod, H, HeaderRole, /*Imported*/true); |
| 1920 | HFI.isModuleHeader |= !(HeaderRole & ModuleMap::TextualHeader); |
| 1921 | } |
| 1922 | |
| 1923 | // This HeaderFileInfo was externally loaded. |
| 1924 | HFI.External = true; |
| 1925 | HFI.IsValid = true; |
| 1926 | return HFI; |
| 1927 | } |
| 1928 | |
| 1929 | void ASTReader::addPendingMacro(IdentifierInfo *II, ModuleFile *M, |
| 1930 | uint32_t MacroDirectivesOffset) { |
| 1931 | assert(NumCurrentElementsDeserializing > 0 &&"Missing deserialization guard" ); |
| 1932 | PendingMacroIDs[II].push_back(PendingMacroInfo(M, MacroDirectivesOffset)); |
| 1933 | } |
| 1934 | |
| 1935 | void ASTReader::ReadDefinedMacros() { |
| 1936 | // Note that we are loading defined macros. |
| 1937 | Deserializing Macros(this); |
| 1938 | |
| 1939 | for (ModuleFile &I : llvm::reverse(ModuleMgr)) { |
| 1940 | BitstreamCursor &MacroCursor = I.MacroCursor; |
| 1941 | |
| 1942 | // If there was no preprocessor block, skip this file. |
| 1943 | if (MacroCursor.getBitcodeBytes().empty()) |
| 1944 | continue; |
| 1945 | |
| 1946 | BitstreamCursor Cursor = MacroCursor; |
| 1947 | if (llvm::Error Err = Cursor.JumpToBit(I.MacroStartOffset)) { |
| 1948 | Error(std::move(Err)); |
| 1949 | return; |
| 1950 | } |
| 1951 | |
| 1952 | RecordData Record; |
| 1953 | while (true) { |
| 1954 | Expected<llvm::BitstreamEntry> MaybeE = Cursor.advanceSkippingSubblocks(); |
| 1955 | if (!MaybeE) { |
| 1956 | Error(MaybeE.takeError()); |
| 1957 | return; |
| 1958 | } |
| 1959 | llvm::BitstreamEntry E = MaybeE.get(); |
| 1960 | |
| 1961 | switch (E.Kind) { |
| 1962 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. |
| 1963 | case llvm::BitstreamEntry::Error: |
| 1964 | Error("malformed block record in AST file" ); |
| 1965 | return; |
| 1966 | case llvm::BitstreamEntry::EndBlock: |
| 1967 | goto NextCursor; |
| 1968 | |
| 1969 | case llvm::BitstreamEntry::Record: { |
| 1970 | Record.clear(); |
| 1971 | Expected<unsigned> MaybeRecord = Cursor.readRecord(E.ID, Record); |
| 1972 | if (!MaybeRecord) { |
| 1973 | Error(MaybeRecord.takeError()); |
| 1974 | return; |
| 1975 | } |
| 1976 | switch (MaybeRecord.get()) { |
| 1977 | default: // Default behavior: ignore. |
| 1978 | break; |
| 1979 | |
| 1980 | case PP_MACRO_OBJECT_LIKE: |
| 1981 | case PP_MACRO_FUNCTION_LIKE: { |
| 1982 | IdentifierInfo *II = getLocalIdentifier(I, Record[0]); |
| 1983 | if (II->isOutOfDate()) |
| 1984 | updateOutOfDateIdentifier(*II); |
| 1985 | break; |
| 1986 | } |
| 1987 | |
| 1988 | case PP_TOKEN: |
| 1989 | // Ignore tokens. |
| 1990 | break; |
| 1991 | } |
| 1992 | break; |
| 1993 | } |
| 1994 | } |
| 1995 | } |
| 1996 | NextCursor: ; |
| 1997 | } |
| 1998 | } |
| 1999 | |
| 2000 | namespace { |
| 2001 | |
| 2002 | /// Visitor class used to look up identifirs in an AST file. |
| 2003 | class IdentifierLookupVisitor { |
| 2004 | StringRef Name; |
| 2005 | unsigned NameHash; |
| 2006 | unsigned PriorGeneration; |
| 2007 | unsigned &NumIdentifierLookups; |
| 2008 | unsigned &NumIdentifierLookupHits; |
| 2009 | IdentifierInfo *Found = nullptr; |
| 2010 | |
| 2011 | public: |
| 2012 | IdentifierLookupVisitor(StringRef Name, unsigned PriorGeneration, |
| 2013 | unsigned &NumIdentifierLookups, |
| 2014 | unsigned &NumIdentifierLookupHits) |
| 2015 | : Name(Name), NameHash(ASTIdentifierLookupTrait::ComputeHash(Name)), |
| 2016 | PriorGeneration(PriorGeneration), |
| 2017 | NumIdentifierLookups(NumIdentifierLookups), |
| 2018 | NumIdentifierLookupHits(NumIdentifierLookupHits) {} |
| 2019 | |
| 2020 | bool operator()(ModuleFile &M) { |
| 2021 | // If we've already searched this module file, skip it now. |
| 2022 | if (M.Generation <= PriorGeneration) |
| 2023 | return true; |
| 2024 | |
| 2025 | ASTIdentifierLookupTable *IdTable |
| 2026 | = (ASTIdentifierLookupTable *)M.IdentifierLookupTable; |
| 2027 | if (!IdTable) |
| 2028 | return false; |
| 2029 | |
| 2030 | ASTIdentifierLookupTrait Trait(IdTable->getInfoObj().getReader(), M, |
| 2031 | Found); |
| 2032 | ++NumIdentifierLookups; |
| 2033 | ASTIdentifierLookupTable::iterator Pos = |
| 2034 | IdTable->find_hashed(Name, NameHash, &Trait); |
| 2035 | if (Pos == IdTable->end()) |
| 2036 | return false; |
| 2037 | |
| 2038 | // Dereferencing the iterator has the effect of building the |
| 2039 | // IdentifierInfo node and populating it with the various |
| 2040 | // declarations it needs. |
| 2041 | ++NumIdentifierLookupHits; |
| 2042 | Found = *Pos; |
| 2043 | return true; |
| 2044 | } |
| 2045 | |
| 2046 | // Retrieve the identifier info found within the module |
| 2047 | // files. |
| 2048 | IdentifierInfo *getIdentifierInfo() const { return Found; } |
| 2049 | }; |
| 2050 | |
| 2051 | } // namespace |
| 2052 | |
| 2053 | void ASTReader::updateOutOfDateIdentifier(IdentifierInfo &II) { |
| 2054 | // Note that we are loading an identifier. |
| 2055 | Deserializing AnIdentifier(this); |
| 2056 | |
| 2057 | unsigned PriorGeneration = 0; |
| 2058 | if (getContext().getLangOpts().Modules) |
| 2059 | PriorGeneration = IdentifierGeneration[&II]; |
| 2060 | |
| 2061 | // If there is a global index, look there first to determine which modules |
| 2062 | // provably do not have any results for this identifier. |
| 2063 | GlobalModuleIndex::HitSet Hits; |
| 2064 | GlobalModuleIndex::HitSet *HitsPtr = nullptr; |
| 2065 | if (!loadGlobalIndex()) { |
| 2066 | if (GlobalIndex->lookupIdentifier(II.getName(), Hits)) { |
| 2067 | HitsPtr = &Hits; |
| 2068 | } |
| 2069 | } |
| 2070 | |
| 2071 | IdentifierLookupVisitor Visitor(II.getName(), PriorGeneration, |
| 2072 | NumIdentifierLookups, |
| 2073 | NumIdentifierLookupHits); |
| 2074 | ModuleMgr.visit(Visitor, HitsPtr); |
| 2075 | markIdentifierUpToDate(&II); |
| 2076 | } |
| 2077 | |
| 2078 | void ASTReader::markIdentifierUpToDate(IdentifierInfo *II) { |
| 2079 | if (!II) |
| 2080 | return; |
| 2081 | |
| 2082 | II->setOutOfDate(false); |
| 2083 | |
| 2084 | // Update the generation for this identifier. |
| 2085 | if (getContext().getLangOpts().Modules) |
| 2086 | IdentifierGeneration[II] = getGeneration(); |
| 2087 | } |
| 2088 | |
| 2089 | void ASTReader::resolvePendingMacro(IdentifierInfo *II, |
| 2090 | const PendingMacroInfo &PMInfo) { |
| 2091 | ModuleFile &M = *PMInfo.M; |
| 2092 | |
| 2093 | BitstreamCursor &Cursor = M.MacroCursor; |
| 2094 | SavedStreamPosition SavedPosition(Cursor); |
| 2095 | if (llvm::Error Err = |
| 2096 | Cursor.JumpToBit(M.MacroOffsetsBase + PMInfo.MacroDirectivesOffset)) { |
| 2097 | Error(std::move(Err)); |
| 2098 | return; |
| 2099 | } |
| 2100 | |
| 2101 | struct ModuleMacroRecord { |
| 2102 | SubmoduleID SubModID; |
| 2103 | MacroInfo *MI; |
| 2104 | SmallVector<SubmoduleID, 8> Overrides; |
| 2105 | }; |
| 2106 | llvm::SmallVector<ModuleMacroRecord, 8> ModuleMacros; |
| 2107 | |
| 2108 | // We expect to see a sequence of PP_MODULE_MACRO records listing exported |
| 2109 | // macros, followed by a PP_MACRO_DIRECTIVE_HISTORY record with the complete |
| 2110 | // macro histroy. |
| 2111 | RecordData Record; |
| 2112 | while (true) { |
| 2113 | Expected<llvm::BitstreamEntry> MaybeEntry = |
| 2114 | Cursor.advance(BitstreamCursor::AF_DontPopBlockAtEnd); |
| 2115 | if (!MaybeEntry) { |
| 2116 | Error(MaybeEntry.takeError()); |
| 2117 | return; |
| 2118 | } |
| 2119 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 2120 | |
| 2121 | if (Entry.Kind != llvm::BitstreamEntry::Record) { |
| 2122 | Error("malformed block record in AST file" ); |
| 2123 | return; |
| 2124 | } |
| 2125 | |
| 2126 | Record.clear(); |
| 2127 | Expected<unsigned> MaybePP = Cursor.readRecord(Entry.ID, Record); |
| 2128 | if (!MaybePP) { |
| 2129 | Error(MaybePP.takeError()); |
| 2130 | return; |
| 2131 | } |
| 2132 | switch ((PreprocessorRecordTypes)MaybePP.get()) { |
| 2133 | case PP_MACRO_DIRECTIVE_HISTORY: |
| 2134 | break; |
| 2135 | |
| 2136 | case PP_MODULE_MACRO: { |
| 2137 | ModuleMacros.push_back(ModuleMacroRecord()); |
| 2138 | auto &Info = ModuleMacros.back(); |
| 2139 | Info.SubModID = getGlobalSubmoduleID(M, Record[0]); |
| 2140 | Info.MI = getMacro(getGlobalMacroID(M, Record[1])); |
| 2141 | for (int I = 2, N = Record.size(); I != N; ++I) |
| 2142 | Info.Overrides.push_back(getGlobalSubmoduleID(M, Record[I])); |
| 2143 | continue; |
| 2144 | } |
| 2145 | |
| 2146 | default: |
| 2147 | Error("malformed block record in AST file" ); |
| 2148 | return; |
| 2149 | } |
| 2150 | |
| 2151 | // We found the macro directive history; that's the last record |
| 2152 | // for this macro. |
| 2153 | break; |
| 2154 | } |
| 2155 | |
| 2156 | // Module macros are listed in reverse dependency order. |
| 2157 | { |
| 2158 | std::reverse(ModuleMacros.begin(), ModuleMacros.end()); |
| 2159 | llvm::SmallVector<ModuleMacro*, 8> Overrides; |
| 2160 | for (auto &MMR : ModuleMacros) { |
| 2161 | Overrides.clear(); |
| 2162 | for (unsigned ModID : MMR.Overrides) { |
| 2163 | Module *Mod = getSubmodule(ModID); |
| 2164 | auto *Macro = PP.getModuleMacro(Mod, II); |
| 2165 | assert(Macro && "missing definition for overridden macro" ); |
| 2166 | Overrides.push_back(Macro); |
| 2167 | } |
| 2168 | |
| 2169 | bool Inserted = false; |
| 2170 | Module *Owner = getSubmodule(MMR.SubModID); |
| 2171 | PP.addModuleMacro(Owner, II, MMR.MI, Overrides, Inserted); |
| 2172 | } |
| 2173 | } |
| 2174 | |
| 2175 | // Don't read the directive history for a module; we don't have anywhere |
| 2176 | // to put it. |
| 2177 | if (M.isModule()) |
| 2178 | return; |
| 2179 | |
| 2180 | // Deserialize the macro directives history in reverse source-order. |
| 2181 | MacroDirective *Latest = nullptr, *Earliest = nullptr; |
| 2182 | unsigned Idx = 0, N = Record.size(); |
| 2183 | while (Idx < N) { |
| 2184 | MacroDirective *MD = nullptr; |
| 2185 | SourceLocation Loc = ReadSourceLocation(M, Record, Idx); |
| 2186 | MacroDirective::Kind K = (MacroDirective::Kind)Record[Idx++]; |
| 2187 | switch (K) { |
| 2188 | case MacroDirective::MD_Define: { |
| 2189 | MacroInfo *MI = getMacro(getGlobalMacroID(M, Record[Idx++])); |
| 2190 | MD = PP.AllocateDefMacroDirective(MI, Loc); |
| 2191 | break; |
| 2192 | } |
| 2193 | case MacroDirective::MD_Undefine: |
| 2194 | MD = PP.AllocateUndefMacroDirective(Loc); |
| 2195 | break; |
| 2196 | case MacroDirective::MD_Visibility: |
| 2197 | bool isPublic = Record[Idx++]; |
| 2198 | MD = PP.AllocateVisibilityMacroDirective(Loc, isPublic); |
| 2199 | break; |
| 2200 | } |
| 2201 | |
| 2202 | if (!Latest) |
| 2203 | Latest = MD; |
| 2204 | if (Earliest) |
| 2205 | Earliest->setPrevious(MD); |
| 2206 | Earliest = MD; |
| 2207 | } |
| 2208 | |
| 2209 | if (Latest) |
| 2210 | PP.setLoadedMacroDirective(II, Earliest, Latest); |
| 2211 | } |
| 2212 | |
| 2213 | bool ASTReader::shouldDisableValidationForFile( |
| 2214 | const serialization::ModuleFile &M) const { |
| 2215 | if (DisableValidationKind == DisableValidationForModuleKind::None) |
| 2216 | return false; |
| 2217 | |
| 2218 | // If a PCH is loaded and validation is disabled for PCH then disable |
| 2219 | // validation for the PCH and the modules it loads. |
| 2220 | ModuleKind K = CurrentDeserializingModuleKind.getValueOr(M.Kind); |
| 2221 | |
| 2222 | switch (K) { |
| 2223 | case MK_MainFile: |
| 2224 | case MK_Preamble: |
| 2225 | case MK_PCH: |
| 2226 | return bool(DisableValidationKind & DisableValidationForModuleKind::PCH); |
| 2227 | case MK_ImplicitModule: |
| 2228 | case MK_ExplicitModule: |
| 2229 | case MK_PrebuiltModule: |
| 2230 | return bool(DisableValidationKind & DisableValidationForModuleKind::Module); |
| 2231 | } |
| 2232 | |
| 2233 | return false; |
| 2234 | } |
| 2235 | |
| 2236 | ASTReader::InputFileInfo |
| 2237 | ASTReader::readInputFileInfo(ModuleFile &F, unsigned ID) { |
| 2238 | // Go find this input file. |
| 2239 | BitstreamCursor &Cursor = F.InputFilesCursor; |
| 2240 | SavedStreamPosition SavedPosition(Cursor); |
| 2241 | if (llvm::Error Err = Cursor.JumpToBit(F.InputFileOffsets[ID - 1])) { |
| 2242 | // FIXME this drops errors on the floor. |
| 2243 | consumeError(std::move(Err)); |
| 2244 | } |
| 2245 | |
| 2246 | Expected<unsigned> MaybeCode = Cursor.ReadCode(); |
| 2247 | if (!MaybeCode) { |
| 2248 | // FIXME this drops errors on the floor. |
| 2249 | consumeError(MaybeCode.takeError()); |
| 2250 | } |
| 2251 | unsigned Code = MaybeCode.get(); |
| 2252 | RecordData Record; |
| 2253 | StringRef Blob; |
| 2254 | |
| 2255 | if (Expected<unsigned> Maybe = Cursor.readRecord(Code, Record, &Blob)) |
| 2256 | assert(static_cast<InputFileRecordTypes>(Maybe.get()) == INPUT_FILE && |
| 2257 | "invalid record type for input file" ); |
| 2258 | else { |
| 2259 | // FIXME this drops errors on the floor. |
| 2260 | consumeError(Maybe.takeError()); |
| 2261 | } |
| 2262 | |
| 2263 | assert(Record[0] == ID && "Bogus stored ID or offset" ); |
| 2264 | InputFileInfo R; |
| 2265 | R.StoredSize = static_cast<off_t>(Record[1]); |
| 2266 | R.StoredTime = static_cast<time_t>(Record[2]); |
| 2267 | R.Overridden = static_cast<bool>(Record[3]); |
| 2268 | R.Transient = static_cast<bool>(Record[4]); |
| 2269 | R.TopLevelModuleMap = static_cast<bool>(Record[5]); |
| 2270 | R.Filename = std::string(Blob); |
| 2271 | ResolveImportedPath(F, R.Filename); |
| 2272 | |
| 2273 | Expected<llvm::BitstreamEntry> MaybeEntry = Cursor.advance(); |
| 2274 | if (!MaybeEntry) // FIXME this drops errors on the floor. |
| 2275 | consumeError(MaybeEntry.takeError()); |
| 2276 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 2277 | assert(Entry.Kind == llvm::BitstreamEntry::Record && |
| 2278 | "expected record type for input file hash" ); |
| 2279 | |
| 2280 | Record.clear(); |
| 2281 | if (Expected<unsigned> Maybe = Cursor.readRecord(Entry.ID, Record)) |
| 2282 | assert(static_cast<InputFileRecordTypes>(Maybe.get()) == INPUT_FILE_HASH && |
| 2283 | "invalid record type for input file hash" ); |
| 2284 | else { |
| 2285 | // FIXME this drops errors on the floor. |
| 2286 | consumeError(Maybe.takeError()); |
| 2287 | } |
| 2288 | R.ContentHash = (static_cast<uint64_t>(Record[1]) << 32) | |
| 2289 | static_cast<uint64_t>(Record[0]); |
| 2290 | return R; |
| 2291 | } |
| 2292 | |
| 2293 | static unsigned moduleKindForDiagnostic(ModuleKind Kind); |
| 2294 | InputFile ASTReader::getInputFile(ModuleFile &F, unsigned ID, bool Complain) { |
| 2295 | // If this ID is bogus, just return an empty input file. |
| 2296 | if (ID == 0 || ID > F.InputFilesLoaded.size()) |
| 2297 | return InputFile(); |
| 2298 | |
| 2299 | // If we've already loaded this input file, return it. |
| 2300 | if (F.InputFilesLoaded[ID-1].getFile()) |
| 2301 | return F.InputFilesLoaded[ID-1]; |
| 2302 | |
| 2303 | if (F.InputFilesLoaded[ID-1].isNotFound()) |
| 2304 | return InputFile(); |
| 2305 | |
| 2306 | // Go find this input file. |
| 2307 | BitstreamCursor &Cursor = F.InputFilesCursor; |
| 2308 | SavedStreamPosition SavedPosition(Cursor); |
| 2309 | if (llvm::Error Err = Cursor.JumpToBit(F.InputFileOffsets[ID - 1])) { |
| 2310 | // FIXME this drops errors on the floor. |
| 2311 | consumeError(std::move(Err)); |
| 2312 | } |
| 2313 | |
| 2314 | InputFileInfo FI = readInputFileInfo(F, ID); |
| 2315 | off_t StoredSize = FI.StoredSize; |
| 2316 | time_t StoredTime = FI.StoredTime; |
| 2317 | bool Overridden = FI.Overridden; |
| 2318 | bool Transient = FI.Transient; |
| 2319 | StringRef Filename = FI.Filename; |
| 2320 | uint64_t StoredContentHash = FI.ContentHash; |
| 2321 | |
| 2322 | OptionalFileEntryRefDegradesToFileEntryPtr File = |
| 2323 | expectedToOptional(FileMgr.getFileRef(Filename, /*OpenFile=*/false)); |
| 2324 | |
| 2325 | // If we didn't find the file, resolve it relative to the |
| 2326 | // original directory from which this AST file was created. |
| 2327 | if (!File && !F.OriginalDir.empty() && !F.BaseDirectory.empty() && |
| 2328 | F.OriginalDir != F.BaseDirectory) { |
| 2329 | std::string Resolved = resolveFileRelativeToOriginalDir( |
| 2330 | std::string(Filename), F.OriginalDir, F.BaseDirectory); |
| 2331 | if (!Resolved.empty()) |
| 2332 | File = expectedToOptional(FileMgr.getFileRef(Resolved)); |
| 2333 | } |
| 2334 | |
| 2335 | // For an overridden file, create a virtual file with the stored |
| 2336 | // size/timestamp. |
| 2337 | if ((Overridden || Transient) && !File) |
| 2338 | File = FileMgr.getVirtualFileRef(Filename, StoredSize, StoredTime); |
| 2339 | |
| 2340 | if (!File) { |
| 2341 | if (Complain) { |
| 2342 | std::string ErrorStr = "could not find file '" ; |
| 2343 | ErrorStr += Filename; |
| 2344 | ErrorStr += "' referenced by AST file '" ; |
| 2345 | ErrorStr += F.FileName; |
| 2346 | ErrorStr += "'" ; |
| 2347 | Error(ErrorStr); |
| 2348 | } |
| 2349 | // Record that we didn't find the file. |
| 2350 | F.InputFilesLoaded[ID-1] = InputFile::getNotFound(); |
| 2351 | return InputFile(); |
| 2352 | } |
| 2353 | |
| 2354 | // Check if there was a request to override the contents of the file |
| 2355 | // that was part of the precompiled header. Overriding such a file |
| 2356 | // can lead to problems when lexing using the source locations from the |
| 2357 | // PCH. |
| 2358 | SourceManager &SM = getSourceManager(); |
| 2359 | // FIXME: Reject if the overrides are different. |
| 2360 | if ((!Overridden && !Transient) && SM.isFileOverridden(File)) { |
| 2361 | if (Complain) |
| 2362 | Error(diag::err_fe_pch_file_overridden, Filename); |
| 2363 | |
| 2364 | // After emitting the diagnostic, bypass the overriding file to recover |
| 2365 | // (this creates a separate FileEntry). |
| 2366 | File = SM.bypassFileContentsOverride(*File); |
| 2367 | if (!File) { |
| 2368 | F.InputFilesLoaded[ID - 1] = InputFile::getNotFound(); |
| 2369 | return InputFile(); |
| 2370 | } |
| 2371 | } |
| 2372 | |
| 2373 | enum ModificationType { |
| 2374 | Size, |
| 2375 | ModTime, |
| 2376 | Content, |
| 2377 | None, |
| 2378 | }; |
| 2379 | auto HasInputFileChanged = [&]() { |
| 2380 | if (StoredSize != File->getSize()) |
| 2381 | return ModificationType::Size; |
| 2382 | if (!shouldDisableValidationForFile(F) && StoredTime && |
| 2383 | StoredTime != File->getModificationTime()) { |
| 2384 | // In case the modification time changes but not the content, |
| 2385 | // accept the cached file as legit. |
| 2386 | if (ValidateASTInputFilesContent && |
| 2387 | StoredContentHash != static_cast<uint64_t>(llvm::hash_code(-1))) { |
| 2388 | auto MemBuffOrError = FileMgr.getBufferForFile(File); |
| 2389 | if (!MemBuffOrError) { |
| 2390 | if (!Complain) |
| 2391 | return ModificationType::ModTime; |
| 2392 | std::string ErrorStr = "could not get buffer for file '" ; |
| 2393 | ErrorStr += File->getName(); |
| 2394 | ErrorStr += "'" ; |
| 2395 | Error(ErrorStr); |
| 2396 | return ModificationType::ModTime; |
| 2397 | } |
| 2398 | |
| 2399 | auto ContentHash = hash_value(MemBuffOrError.get()->getBuffer()); |
| 2400 | if (StoredContentHash == static_cast<uint64_t>(ContentHash)) |
| 2401 | return ModificationType::None; |
| 2402 | return ModificationType::Content; |
| 2403 | } |
| 2404 | return ModificationType::ModTime; |
| 2405 | } |
| 2406 | return ModificationType::None; |
| 2407 | }; |
| 2408 | |
| 2409 | bool IsOutOfDate = false; |
| 2410 | auto FileChange = HasInputFileChanged(); |
| 2411 | // For an overridden file, there is nothing to validate. |
| 2412 | if (!Overridden && FileChange != ModificationType::None) { |
| 2413 | if (Complain && !Diags.isDiagnosticInFlight()) { |
| 2414 | // Build a list of the PCH imports that got us here (in reverse). |
| 2415 | SmallVector<ModuleFile *, 4> ImportStack(1, &F); |
| 2416 | while (!ImportStack.back()->ImportedBy.empty()) |
| 2417 | ImportStack.push_back(ImportStack.back()->ImportedBy[0]); |
| 2418 | |
| 2419 | // The top-level PCH is stale. |
| 2420 | StringRef TopLevelPCHName(ImportStack.back()->FileName); |
| 2421 | Diag(diag::err_fe_ast_file_modified) |
| 2422 | << Filename << moduleKindForDiagnostic(ImportStack.back()->Kind) |
| 2423 | << TopLevelPCHName << FileChange; |
| 2424 | |
| 2425 | // Print the import stack. |
| 2426 | if (ImportStack.size() > 1) { |
| 2427 | Diag(diag::note_pch_required_by) |
| 2428 | << Filename << ImportStack[0]->FileName; |
| 2429 | for (unsigned I = 1; I < ImportStack.size(); ++I) |
| 2430 | Diag(diag::note_pch_required_by) |
| 2431 | << ImportStack[I-1]->FileName << ImportStack[I]->FileName; |
| 2432 | } |
| 2433 | |
| 2434 | Diag(diag::note_pch_rebuild_required) << TopLevelPCHName; |
| 2435 | } |
| 2436 | |
| 2437 | IsOutOfDate = true; |
| 2438 | } |
| 2439 | // FIXME: If the file is overridden and we've already opened it, |
| 2440 | // issue an error (or split it into a separate FileEntry). |
| 2441 | |
| 2442 | InputFile IF = InputFile(*File, Overridden || Transient, IsOutOfDate); |
| 2443 | |
| 2444 | // Note that we've loaded this input file. |
| 2445 | F.InputFilesLoaded[ID-1] = IF; |
| 2446 | return IF; |
| 2447 | } |
| 2448 | |
| 2449 | /// If we are loading a relocatable PCH or module file, and the filename |
| 2450 | /// is not an absolute path, add the system or module root to the beginning of |
| 2451 | /// the file name. |
| 2452 | void ASTReader::ResolveImportedPath(ModuleFile &M, std::string &Filename) { |
| 2453 | // Resolve relative to the base directory, if we have one. |
| 2454 | if (!M.BaseDirectory.empty()) |
| 2455 | return ResolveImportedPath(Filename, M.BaseDirectory); |
| 2456 | } |
| 2457 | |
| 2458 | void ASTReader::ResolveImportedPath(std::string &Filename, StringRef Prefix) { |
| 2459 | if (Filename.empty() || llvm::sys::path::is_absolute(Filename)) |
| 2460 | return; |
| 2461 | |
| 2462 | SmallString<128> Buffer; |
| 2463 | llvm::sys::path::append(Buffer, Prefix, Filename); |
| 2464 | Filename.assign(Buffer.begin(), Buffer.end()); |
| 2465 | } |
| 2466 | |
| 2467 | static bool isDiagnosedResult(ASTReader::ASTReadResult ARR, unsigned Caps) { |
| 2468 | switch (ARR) { |
| 2469 | case ASTReader::Failure: return true; |
| 2470 | case ASTReader::Missing: return !(Caps & ASTReader::ARR_Missing); |
| 2471 | case ASTReader::OutOfDate: return !(Caps & ASTReader::ARR_OutOfDate); |
| 2472 | case ASTReader::VersionMismatch: return !(Caps & ASTReader::ARR_VersionMismatch); |
| 2473 | case ASTReader::ConfigurationMismatch: |
| 2474 | return !(Caps & ASTReader::ARR_ConfigurationMismatch); |
| 2475 | case ASTReader::HadErrors: return true; |
| 2476 | case ASTReader::Success: return false; |
| 2477 | } |
| 2478 | |
| 2479 | llvm_unreachable("unknown ASTReadResult" ); |
| 2480 | } |
| 2481 | |
| 2482 | ASTReader::ASTReadResult ASTReader::ReadOptionsBlock( |
| 2483 | BitstreamCursor &Stream, unsigned ClientLoadCapabilities, |
| 2484 | bool AllowCompatibleConfigurationMismatch, ASTReaderListener &Listener, |
| 2485 | std::string &SuggestedPredefines) { |
| 2486 | if (llvm::Error Err = Stream.EnterSubBlock(OPTIONS_BLOCK_ID)) { |
| 2487 | // FIXME this drops errors on the floor. |
| 2488 | consumeError(std::move(Err)); |
| 2489 | return Failure; |
| 2490 | } |
| 2491 | |
| 2492 | // Read all of the records in the options block. |
| 2493 | RecordData Record; |
| 2494 | ASTReadResult Result = Success; |
| 2495 | while (true) { |
| 2496 | Expected<llvm::BitstreamEntry> MaybeEntry = Stream.advance(); |
| 2497 | if (!MaybeEntry) { |
| 2498 | // FIXME this drops errors on the floor. |
| 2499 | consumeError(MaybeEntry.takeError()); |
| 2500 | return Failure; |
| 2501 | } |
| 2502 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 2503 | |
| 2504 | switch (Entry.Kind) { |
| 2505 | case llvm::BitstreamEntry::Error: |
| 2506 | case llvm::BitstreamEntry::SubBlock: |
| 2507 | return Failure; |
| 2508 | |
| 2509 | case llvm::BitstreamEntry::EndBlock: |
| 2510 | return Result; |
| 2511 | |
| 2512 | case llvm::BitstreamEntry::Record: |
| 2513 | // The interesting case. |
| 2514 | break; |
| 2515 | } |
| 2516 | |
| 2517 | // Read and process a record. |
| 2518 | Record.clear(); |
| 2519 | Expected<unsigned> MaybeRecordType = Stream.readRecord(Entry.ID, Record); |
| 2520 | if (!MaybeRecordType) { |
| 2521 | // FIXME this drops errors on the floor. |
| 2522 | consumeError(MaybeRecordType.takeError()); |
| 2523 | return Failure; |
| 2524 | } |
| 2525 | switch ((OptionsRecordTypes)MaybeRecordType.get()) { |
| 2526 | case LANGUAGE_OPTIONS: { |
| 2527 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; |
| 2528 | if (ParseLanguageOptions(Record, Complain, Listener, |
| 2529 | AllowCompatibleConfigurationMismatch)) |
| 2530 | Result = ConfigurationMismatch; |
| 2531 | break; |
| 2532 | } |
| 2533 | |
| 2534 | case TARGET_OPTIONS: { |
| 2535 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; |
| 2536 | if (ParseTargetOptions(Record, Complain, Listener, |
| 2537 | AllowCompatibleConfigurationMismatch)) |
| 2538 | Result = ConfigurationMismatch; |
| 2539 | break; |
| 2540 | } |
| 2541 | |
| 2542 | case FILE_SYSTEM_OPTIONS: { |
| 2543 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; |
| 2544 | if (!AllowCompatibleConfigurationMismatch && |
| 2545 | ParseFileSystemOptions(Record, Complain, Listener)) |
| 2546 | Result = ConfigurationMismatch; |
| 2547 | break; |
| 2548 | } |
| 2549 | |
| 2550 | case HEADER_SEARCH_OPTIONS: { |
| 2551 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; |
| 2552 | if (!AllowCompatibleConfigurationMismatch && |
| 2553 | ParseHeaderSearchOptions(Record, Complain, Listener)) |
| 2554 | Result = ConfigurationMismatch; |
| 2555 | break; |
| 2556 | } |
| 2557 | |
| 2558 | case PREPROCESSOR_OPTIONS: |
| 2559 | bool Complain = (ClientLoadCapabilities & ARR_ConfigurationMismatch) == 0; |
| 2560 | if (!AllowCompatibleConfigurationMismatch && |
| 2561 | ParsePreprocessorOptions(Record, Complain, Listener, |
| 2562 | SuggestedPredefines)) |
| 2563 | Result = ConfigurationMismatch; |
| 2564 | break; |
| 2565 | } |
| 2566 | } |
| 2567 | } |
| 2568 | |
| 2569 | ASTReader::ASTReadResult |
| 2570 | ASTReader::ReadControlBlock(ModuleFile &F, |
| 2571 | SmallVectorImpl<ImportedModule> &Loaded, |
| 2572 | const ModuleFile *ImportedBy, |
| 2573 | unsigned ClientLoadCapabilities) { |
| 2574 | BitstreamCursor &Stream = F.Stream; |
| 2575 | |
| 2576 | if (llvm::Error Err = Stream.EnterSubBlock(CONTROL_BLOCK_ID)) { |
| 2577 | Error(std::move(Err)); |
| 2578 | return Failure; |
| 2579 | } |
| 2580 | |
| 2581 | // Lambda to read the unhashed control block the first time it's called. |
| 2582 | // |
| 2583 | // For PCM files, the unhashed control block cannot be read until after the |
| 2584 | // MODULE_NAME record. However, PCH files have no MODULE_NAME, and yet still |
| 2585 | // need to look ahead before reading the IMPORTS record. For consistency, |
| 2586 | // this block is always read somehow (see BitstreamEntry::EndBlock). |
| 2587 | bool HasReadUnhashedControlBlock = false; |
| 2588 | auto readUnhashedControlBlockOnce = [&]() { |
| 2589 | if (!HasReadUnhashedControlBlock) { |
| 2590 | HasReadUnhashedControlBlock = true; |
| 2591 | if (ASTReadResult Result = |
| 2592 | readUnhashedControlBlock(F, ImportedBy, ClientLoadCapabilities)) |
| 2593 | return Result; |
| 2594 | } |
| 2595 | return Success; |
| 2596 | }; |
| 2597 | |
| 2598 | bool DisableValidation = shouldDisableValidationForFile(F); |
| 2599 | |
| 2600 | // Read all of the records and blocks in the control block. |
| 2601 | RecordData Record; |
| 2602 | unsigned NumInputs = 0; |
| 2603 | unsigned NumUserInputs = 0; |
| 2604 | StringRef BaseDirectoryAsWritten; |
| 2605 | while (true) { |
| 2606 | Expected<llvm::BitstreamEntry> MaybeEntry = Stream.advance(); |
| 2607 | if (!MaybeEntry) { |
| 2608 | Error(MaybeEntry.takeError()); |
| 2609 | return Failure; |
| 2610 | } |
| 2611 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 2612 | |
| 2613 | switch (Entry.Kind) { |
| 2614 | case llvm::BitstreamEntry::Error: |
| 2615 | Error("malformed block record in AST file" ); |
| 2616 | return Failure; |
| 2617 | case llvm::BitstreamEntry::EndBlock: { |
| 2618 | // Validate the module before returning. This call catches an AST with |
| 2619 | // no module name and no imports. |
| 2620 | if (ASTReadResult Result = readUnhashedControlBlockOnce()) |
| 2621 | return Result; |
| 2622 | |
| 2623 | // Validate input files. |
| 2624 | const HeaderSearchOptions &HSOpts = |
| 2625 | PP.getHeaderSearchInfo().getHeaderSearchOpts(); |
| 2626 | |
| 2627 | // All user input files reside at the index range [0, NumUserInputs), and |
| 2628 | // system input files reside at [NumUserInputs, NumInputs). For explicitly |
| 2629 | // loaded module files, ignore missing inputs. |
| 2630 | if (!DisableValidation && F.Kind != MK_ExplicitModule && |
| 2631 | F.Kind != MK_PrebuiltModule) { |
| 2632 | bool Complain = (ClientLoadCapabilities & ARR_OutOfDate) == 0; |
| 2633 | |
| 2634 | // If we are reading a module, we will create a verification timestamp, |
| 2635 | // so we verify all input files. Otherwise, verify only user input |
| 2636 | // files. |
| 2637 | |
| 2638 | unsigned N = NumUserInputs; |
| 2639 | if (ValidateSystemInputs || |
| 2640 | (HSOpts.ModulesValidateOncePerBuildSession && |
| 2641 | F.InputFilesValidationTimestamp <= HSOpts.BuildSessionTimestamp && |
| 2642 | F.Kind == MK_ImplicitModule)) |
| 2643 | N = NumInputs; |
| 2644 | |
| 2645 | for (unsigned I = 0; I < N; ++I) { |
| 2646 | InputFile IF = getInputFile(F, I+1, Complain); |
| 2647 | if (!IF.getFile() || IF.isOutOfDate()) |
| 2648 | return OutOfDate; |
| 2649 | } |
| 2650 | } |
| 2651 | |
| 2652 | if (Listener) |
| 2653 | Listener->visitModuleFile(F.FileName, F.Kind); |
| 2654 | |
| 2655 | if (Listener && Listener->needsInputFileVisitation()) { |
| 2656 | unsigned N = Listener->needsSystemInputFileVisitation() ? NumInputs |
| 2657 | : NumUserInputs; |
| 2658 | for (unsigned I = 0; I < N; ++I) { |
| 2659 | bool IsSystem = I >= NumUserInputs; |
| 2660 | InputFileInfo FI = readInputFileInfo(F, I+1); |
| 2661 | Listener->visitInputFile(FI.Filename, IsSystem, FI.Overridden, |
| 2662 | F.Kind == MK_ExplicitModule || |
| 2663 | F.Kind == MK_PrebuiltModule); |
| 2664 | } |
| 2665 | } |
| 2666 | |
| 2667 | return Success; |
| 2668 | } |
| 2669 | |
| 2670 | case llvm::BitstreamEntry::SubBlock: |
| 2671 | switch (Entry.ID) { |
| 2672 | case INPUT_FILES_BLOCK_ID: |
| 2673 | F.InputFilesCursor = Stream; |
| 2674 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 2675 | Error(std::move(Err)); |
| 2676 | return Failure; |
| 2677 | } |
| 2678 | if (ReadBlockAbbrevs(F.InputFilesCursor, INPUT_FILES_BLOCK_ID)) { |
| 2679 | Error("malformed block record in AST file" ); |
| 2680 | return Failure; |
| 2681 | } |
| 2682 | continue; |
| 2683 | |
| 2684 | case OPTIONS_BLOCK_ID: |
| 2685 | // If we're reading the first module for this group, check its options |
| 2686 | // are compatible with ours. For modules it imports, no further checking |
| 2687 | // is required, because we checked them when we built it. |
| 2688 | if (Listener && !ImportedBy) { |
| 2689 | // Should we allow the configuration of the module file to differ from |
| 2690 | // the configuration of the current translation unit in a compatible |
| 2691 | // way? |
| 2692 | // |
| 2693 | // FIXME: Allow this for files explicitly specified with -include-pch. |
| 2694 | bool AllowCompatibleConfigurationMismatch = |
| 2695 | F.Kind == MK_ExplicitModule || F.Kind == MK_PrebuiltModule; |
| 2696 | |
| 2697 | ASTReadResult Result = |
| 2698 | ReadOptionsBlock(Stream, ClientLoadCapabilities, |
| 2699 | AllowCompatibleConfigurationMismatch, *Listener, |
| 2700 | SuggestedPredefines); |
| 2701 | if (Result == Failure) { |
| 2702 | Error("malformed block record in AST file" ); |
| 2703 | return Result; |
| 2704 | } |
| 2705 | |
| 2706 | if (DisableValidation || |
| 2707 | (AllowConfigurationMismatch && Result == ConfigurationMismatch)) |
| 2708 | Result = Success; |
| 2709 | |
| 2710 | // If we can't load the module, exit early since we likely |
| 2711 | // will rebuild the module anyway. The stream may be in the |
| 2712 | // middle of a block. |
| 2713 | if (Result != Success) |
| 2714 | return Result; |
| 2715 | } else if (llvm::Error Err = Stream.SkipBlock()) { |
| 2716 | Error(std::move(Err)); |
| 2717 | return Failure; |
| 2718 | } |
| 2719 | continue; |
| 2720 | |
| 2721 | default: |
| 2722 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 2723 | Error(std::move(Err)); |
| 2724 | return Failure; |
| 2725 | } |
| 2726 | continue; |
| 2727 | } |
| 2728 | |
| 2729 | case llvm::BitstreamEntry::Record: |
| 2730 | // The interesting case. |
| 2731 | break; |
| 2732 | } |
| 2733 | |
| 2734 | // Read and process a record. |
| 2735 | Record.clear(); |
| 2736 | StringRef Blob; |
| 2737 | Expected<unsigned> MaybeRecordType = |
| 2738 | Stream.readRecord(Entry.ID, Record, &Blob); |
| 2739 | if (!MaybeRecordType) { |
| 2740 | Error(MaybeRecordType.takeError()); |
| 2741 | return Failure; |
| 2742 | } |
| 2743 | switch ((ControlRecordTypes)MaybeRecordType.get()) { |
| 2744 | case METADATA: { |
| 2745 | if (Record[0] != VERSION_MAJOR && !DisableValidation) { |
| 2746 | if ((ClientLoadCapabilities & ARR_VersionMismatch) == 0) |
| 2747 | Diag(Record[0] < VERSION_MAJOR? diag::err_pch_version_too_old |
| 2748 | : diag::err_pch_version_too_new); |
| 2749 | return VersionMismatch; |
| 2750 | } |
| 2751 | |
| 2752 | bool hasErrors = Record[6]; |
| 2753 | if (hasErrors && !DisableValidation && !AllowASTWithCompilerErrors) { |
| 2754 | Diag(diag::err_pch_with_compiler_errors); |
| 2755 | return HadErrors; |
| 2756 | } |
| 2757 | if (hasErrors) { |
| 2758 | Diags.ErrorOccurred = true; |
| 2759 | Diags.UncompilableErrorOccurred = true; |
| 2760 | Diags.UnrecoverableErrorOccurred = true; |
| 2761 | } |
| 2762 | |
| 2763 | F.RelocatablePCH = Record[4]; |
| 2764 | // Relative paths in a relocatable PCH are relative to our sysroot. |
| 2765 | if (F.RelocatablePCH) |
| 2766 | F.BaseDirectory = isysroot.empty() ? "/" : isysroot; |
| 2767 | |
| 2768 | F.HasTimestamps = Record[5]; |
| 2769 | |
| 2770 | const std::string &CurBranch = getClangFullRepositoryVersion(); |
| 2771 | StringRef ASTBranch = Blob; |
| 2772 | if (StringRef(CurBranch) != ASTBranch && !DisableValidation) { |
| 2773 | if ((ClientLoadCapabilities & ARR_VersionMismatch) == 0) |
| 2774 | Diag(diag::err_pch_different_branch) << ASTBranch << CurBranch; |
| 2775 | return VersionMismatch; |
| 2776 | } |
| 2777 | break; |
| 2778 | } |
| 2779 | |
| 2780 | case IMPORTS: { |
| 2781 | // Validate the AST before processing any imports (otherwise, untangling |
| 2782 | // them can be error-prone and expensive). A module will have a name and |
| 2783 | // will already have been validated, but this catches the PCH case. |
| 2784 | if (ASTReadResult Result = readUnhashedControlBlockOnce()) |
| 2785 | return Result; |
| 2786 | |
| 2787 | // Load each of the imported PCH files. |
| 2788 | unsigned Idx = 0, N = Record.size(); |
| 2789 | while (Idx < N) { |
| 2790 | // Read information about the AST file. |
| 2791 | ModuleKind ImportedKind = (ModuleKind)Record[Idx++]; |
| 2792 | // The import location will be the local one for now; we will adjust |
| 2793 | // all import locations of module imports after the global source |
| 2794 | // location info are setup, in ReadAST. |
| 2795 | SourceLocation ImportLoc = |
| 2796 | ReadUntranslatedSourceLocation(Record[Idx++]); |
| 2797 | off_t StoredSize = (off_t)Record[Idx++]; |
| 2798 | time_t StoredModTime = (time_t)Record[Idx++]; |
| 2799 | auto FirstSignatureByte = Record.begin() + Idx; |
| 2800 | ASTFileSignature StoredSignature = ASTFileSignature::create( |
| 2801 | FirstSignatureByte, FirstSignatureByte + ASTFileSignature::size); |
| 2802 | Idx += ASTFileSignature::size; |
| 2803 | |
| 2804 | std::string ImportedName = ReadString(Record, Idx); |
| 2805 | std::string ImportedFile; |
| 2806 | |
| 2807 | // For prebuilt and explicit modules first consult the file map for |
| 2808 | // an override. Note that here we don't search prebuilt module |
| 2809 | // directories, only the explicit name to file mappings. Also, we will |
| 2810 | // still verify the size/signature making sure it is essentially the |
| 2811 | // same file but perhaps in a different location. |
| 2812 | if (ImportedKind == MK_PrebuiltModule || ImportedKind == MK_ExplicitModule) |
| 2813 | ImportedFile = PP.getHeaderSearchInfo().getPrebuiltModuleFileName( |
| 2814 | ImportedName, /*FileMapOnly*/ true); |
| 2815 | |
| 2816 | if (ImportedFile.empty()) |
| 2817 | // Use BaseDirectoryAsWritten to ensure we use the same path in the |
| 2818 | // ModuleCache as when writing. |
| 2819 | ImportedFile = ReadPath(BaseDirectoryAsWritten, Record, Idx); |
| 2820 | else |
| 2821 | SkipPath(Record, Idx); |
| 2822 | |
| 2823 | // If our client can't cope with us being out of date, we can't cope with |
| 2824 | // our dependency being missing. |
| 2825 | unsigned Capabilities = ClientLoadCapabilities; |
| 2826 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) |
| 2827 | Capabilities &= ~ARR_Missing; |
| 2828 | |
| 2829 | // Load the AST file. |
| 2830 | auto Result = ReadASTCore(ImportedFile, ImportedKind, ImportLoc, &F, |
| 2831 | Loaded, StoredSize, StoredModTime, |
| 2832 | StoredSignature, Capabilities); |
| 2833 | |
| 2834 | // If we diagnosed a problem, produce a backtrace. |
| 2835 | if (isDiagnosedResult(Result, Capabilities)) |
| 2836 | Diag(diag::note_module_file_imported_by) |
| 2837 | << F.FileName << !F.ModuleName.empty() << F.ModuleName; |
| 2838 | |
| 2839 | switch (Result) { |
| 2840 | case Failure: return Failure; |
| 2841 | // If we have to ignore the dependency, we'll have to ignore this too. |
| 2842 | case Missing: |
| 2843 | case OutOfDate: return OutOfDate; |
| 2844 | case VersionMismatch: return VersionMismatch; |
| 2845 | case ConfigurationMismatch: return ConfigurationMismatch; |
| 2846 | case HadErrors: return HadErrors; |
| 2847 | case Success: break; |
| 2848 | } |
| 2849 | } |
| 2850 | break; |
| 2851 | } |
| 2852 | |
| 2853 | case ORIGINAL_FILE: |
| 2854 | F.OriginalSourceFileID = FileID::get(Record[0]); |
| 2855 | F.ActualOriginalSourceFileName = std::string(Blob); |
| 2856 | F.OriginalSourceFileName = F.ActualOriginalSourceFileName; |
| 2857 | ResolveImportedPath(F, F.OriginalSourceFileName); |
| 2858 | break; |
| 2859 | |
| 2860 | case ORIGINAL_FILE_ID: |
| 2861 | F.OriginalSourceFileID = FileID::get(Record[0]); |
| 2862 | break; |
| 2863 | |
| 2864 | case ORIGINAL_PCH_DIR: |
| 2865 | F.OriginalDir = std::string(Blob); |
| 2866 | break; |
| 2867 | |
| 2868 | case MODULE_NAME: |
| 2869 | F.ModuleName = std::string(Blob); |
| 2870 | Diag(diag::remark_module_import) |
| 2871 | << F.ModuleName << F.FileName << (ImportedBy ? true : false) |
| 2872 | << (ImportedBy ? StringRef(ImportedBy->ModuleName) : StringRef()); |
| 2873 | if (Listener) |
| 2874 | Listener->ReadModuleName(F.ModuleName); |
| 2875 | |
| 2876 | // Validate the AST as soon as we have a name so we can exit early on |
| 2877 | // failure. |
| 2878 | if (ASTReadResult Result = readUnhashedControlBlockOnce()) |
| 2879 | return Result; |
| 2880 | |
| 2881 | break; |
| 2882 | |
| 2883 | case MODULE_DIRECTORY: { |
| 2884 | // Save the BaseDirectory as written in the PCM for computing the module |
| 2885 | // filename for the ModuleCache. |
| 2886 | BaseDirectoryAsWritten = Blob; |
| 2887 | assert(!F.ModuleName.empty() && |
| 2888 | "MODULE_DIRECTORY found before MODULE_NAME" ); |
| 2889 | // If we've already loaded a module map file covering this module, we may |
| 2890 | // have a better path for it (relative to the current build). |
| 2891 | Module *M = PP.getHeaderSearchInfo().lookupModule( |
| 2892 | F.ModuleName, /*AllowSearch*/ true, |
| 2893 | /*AllowExtraModuleMapSearch*/ true); |
| 2894 | if (M && M->Directory) { |
| 2895 | // If we're implicitly loading a module, the base directory can't |
| 2896 | // change between the build and use. |
| 2897 | // Don't emit module relocation error if we have -fno-validate-pch |
| 2898 | if (!bool(PP.getPreprocessorOpts().DisablePCHOrModuleValidation & |
| 2899 | DisableValidationForModuleKind::Module) && |
| 2900 | F.Kind != MK_ExplicitModule && F.Kind != MK_PrebuiltModule) { |
| 2901 | auto BuildDir = PP.getFileManager().getDirectory(Blob); |
| 2902 | if (!BuildDir || *BuildDir != M->Directory) { |
| 2903 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) |
| 2904 | Diag(diag::err_imported_module_relocated) |
| 2905 | << F.ModuleName << Blob << M->Directory->getName(); |
| 2906 | return OutOfDate; |
| 2907 | } |
| 2908 | } |
| 2909 | F.BaseDirectory = std::string(M->Directory->getName()); |
| 2910 | } else { |
| 2911 | F.BaseDirectory = std::string(Blob); |
| 2912 | } |
| 2913 | break; |
| 2914 | } |
| 2915 | |
| 2916 | case MODULE_MAP_FILE: |
| 2917 | if (ASTReadResult Result = |
| 2918 | ReadModuleMapFileBlock(Record, F, ImportedBy, ClientLoadCapabilities)) |
| 2919 | return Result; |
| 2920 | break; |
| 2921 | |
| 2922 | case INPUT_FILE_OFFSETS: |
| 2923 | NumInputs = Record[0]; |
| 2924 | NumUserInputs = Record[1]; |
| 2925 | F.InputFileOffsets = |
| 2926 | (const llvm::support::unaligned_uint64_t *)Blob.data(); |
| 2927 | F.InputFilesLoaded.resize(NumInputs); |
| 2928 | F.NumUserInputFiles = NumUserInputs; |
| 2929 | break; |
| 2930 | } |
| 2931 | } |
| 2932 | } |
| 2933 | |
| 2934 | ASTReader::ASTReadResult |
| 2935 | ASTReader::ReadASTBlock(ModuleFile &F, unsigned ClientLoadCapabilities) { |
| 2936 | BitstreamCursor &Stream = F.Stream; |
| 2937 | |
| 2938 | if (llvm::Error Err = Stream.EnterSubBlock(AST_BLOCK_ID)) { |
| 2939 | Error(std::move(Err)); |
| 2940 | return Failure; |
| 2941 | } |
| 2942 | F.ASTBlockStartOffset = Stream.GetCurrentBitNo(); |
| 2943 | |
| 2944 | // Read all of the records and blocks for the AST file. |
| 2945 | RecordData Record; |
| 2946 | while (true) { |
| 2947 | Expected<llvm::BitstreamEntry> MaybeEntry = Stream.advance(); |
| 2948 | if (!MaybeEntry) { |
| 2949 | Error(MaybeEntry.takeError()); |
| 2950 | return Failure; |
| 2951 | } |
| 2952 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 2953 | |
| 2954 | switch (Entry.Kind) { |
| 2955 | case llvm::BitstreamEntry::Error: |
| 2956 | Error("error at end of module block in AST file" ); |
| 2957 | return Failure; |
| 2958 | case llvm::BitstreamEntry::EndBlock: |
| 2959 | // Outside of C++, we do not store a lookup map for the translation unit. |
| 2960 | // Instead, mark it as needing a lookup map to be built if this module |
| 2961 | // contains any declarations lexically within it (which it always does!). |
| 2962 | // This usually has no cost, since we very rarely need the lookup map for |
| 2963 | // the translation unit outside C++. |
| 2964 | if (ASTContext *Ctx = ContextObj) { |
| 2965 | DeclContext *DC = Ctx->getTranslationUnitDecl(); |
| 2966 | if (DC->hasExternalLexicalStorage() && !Ctx->getLangOpts().CPlusPlus) |
| 2967 | DC->setMustBuildLookupTable(); |
| 2968 | } |
| 2969 | |
| 2970 | return Success; |
| 2971 | case llvm::BitstreamEntry::SubBlock: |
| 2972 | switch (Entry.ID) { |
| 2973 | case DECLTYPES_BLOCK_ID: |
| 2974 | // We lazily load the decls block, but we want to set up the |
| 2975 | // DeclsCursor cursor to point into it. Clone our current bitcode |
| 2976 | // cursor to it, enter the block and read the abbrevs in that block. |
| 2977 | // With the main cursor, we just skip over it. |
| 2978 | F.DeclsCursor = Stream; |
| 2979 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 2980 | Error(std::move(Err)); |
| 2981 | return Failure; |
| 2982 | } |
| 2983 | if (ReadBlockAbbrevs(F.DeclsCursor, DECLTYPES_BLOCK_ID, |
| 2984 | &F.DeclsBlockStartOffset)) { |
| 2985 | Error("malformed block record in AST file" ); |
| 2986 | return Failure; |
| 2987 | } |
| 2988 | break; |
| 2989 | |
| 2990 | case PREPROCESSOR_BLOCK_ID: |
| 2991 | F.MacroCursor = Stream; |
| 2992 | if (!PP.getExternalSource()) |
| 2993 | PP.setExternalSource(this); |
| 2994 | |
| 2995 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 2996 | Error(std::move(Err)); |
| 2997 | return Failure; |
| 2998 | } |
| 2999 | if (ReadBlockAbbrevs(F.MacroCursor, PREPROCESSOR_BLOCK_ID)) { |
| 3000 | Error("malformed block record in AST file" ); |
| 3001 | return Failure; |
| 3002 | } |
| 3003 | F.MacroStartOffset = F.MacroCursor.GetCurrentBitNo(); |
| 3004 | break; |
| 3005 | |
| 3006 | case PREPROCESSOR_DETAIL_BLOCK_ID: |
| 3007 | F.PreprocessorDetailCursor = Stream; |
| 3008 | |
| 3009 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 3010 | Error(std::move(Err)); |
| 3011 | return Failure; |
| 3012 | } |
| 3013 | if (ReadBlockAbbrevs(F.PreprocessorDetailCursor, |
| 3014 | PREPROCESSOR_DETAIL_BLOCK_ID)) { |
| 3015 | Error("malformed preprocessor detail record in AST file" ); |
| 3016 | return Failure; |
| 3017 | } |
| 3018 | F.PreprocessorDetailStartOffset |
| 3019 | = F.PreprocessorDetailCursor.GetCurrentBitNo(); |
| 3020 | |
| 3021 | if (!PP.getPreprocessingRecord()) |
| 3022 | PP.createPreprocessingRecord(); |
| 3023 | if (!PP.getPreprocessingRecord()->getExternalSource()) |
| 3024 | PP.getPreprocessingRecord()->SetExternalSource(*this); |
| 3025 | break; |
| 3026 | |
| 3027 | case SOURCE_MANAGER_BLOCK_ID: |
| 3028 | if (ReadSourceManagerBlock(F)) |
| 3029 | return Failure; |
| 3030 | break; |
| 3031 | |
| 3032 | case SUBMODULE_BLOCK_ID: |
| 3033 | if (ASTReadResult Result = |
| 3034 | ReadSubmoduleBlock(F, ClientLoadCapabilities)) |
| 3035 | return Result; |
| 3036 | break; |
| 3037 | |
| 3038 | case COMMENTS_BLOCK_ID: { |
| 3039 | BitstreamCursor C = Stream; |
| 3040 | |
| 3041 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 3042 | Error(std::move(Err)); |
| 3043 | return Failure; |
| 3044 | } |
| 3045 | if (ReadBlockAbbrevs(C, COMMENTS_BLOCK_ID)) { |
| 3046 | Error("malformed comments block in AST file" ); |
| 3047 | return Failure; |
| 3048 | } |
| 3049 | CommentsCursors.push_back(std::make_pair(C, &F)); |
| 3050 | break; |
| 3051 | } |
| 3052 | |
| 3053 | default: |
| 3054 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 3055 | Error(std::move(Err)); |
| 3056 | return Failure; |
| 3057 | } |
| 3058 | break; |
| 3059 | } |
| 3060 | continue; |
| 3061 | |
| 3062 | case llvm::BitstreamEntry::Record: |
| 3063 | // The interesting case. |
| 3064 | break; |
| 3065 | } |
| 3066 | |
| 3067 | // Read and process a record. |
| 3068 | Record.clear(); |
| 3069 | StringRef Blob; |
| 3070 | Expected<unsigned> MaybeRecordType = |
| 3071 | Stream.readRecord(Entry.ID, Record, &Blob); |
| 3072 | if (!MaybeRecordType) { |
| 3073 | Error(MaybeRecordType.takeError()); |
| 3074 | return Failure; |
| 3075 | } |
| 3076 | ASTRecordTypes RecordType = (ASTRecordTypes)MaybeRecordType.get(); |
| 3077 | |
| 3078 | // If we're not loading an AST context, we don't care about most records. |
| 3079 | if (!ContextObj) { |
| 3080 | switch (RecordType) { |
| 3081 | case IDENTIFIER_TABLE: |
| 3082 | case IDENTIFIER_OFFSET: |
| 3083 | case INTERESTING_IDENTIFIERS: |
| 3084 | case STATISTICS: |
| 3085 | case PP_CONDITIONAL_STACK: |
| 3086 | case PP_COUNTER_VALUE: |
| 3087 | case SOURCE_LOCATION_OFFSETS: |
| 3088 | case MODULE_OFFSET_MAP: |
| 3089 | case SOURCE_MANAGER_LINE_TABLE: |
| 3090 | case SOURCE_LOCATION_PRELOADS: |
| 3091 | case PPD_ENTITIES_OFFSETS: |
| 3092 | case HEADER_SEARCH_TABLE: |
| 3093 | case IMPORTED_MODULES: |
| 3094 | case MACRO_OFFSET: |
| 3095 | break; |
| 3096 | default: |
| 3097 | continue; |
| 3098 | } |
| 3099 | } |
| 3100 | |
| 3101 | switch (RecordType) { |
| 3102 | default: // Default behavior: ignore. |
| 3103 | break; |
| 3104 | |
| 3105 | case TYPE_OFFSET: { |
| 3106 | if (F.LocalNumTypes != 0) { |
| 3107 | Error("duplicate TYPE_OFFSET record in AST file" ); |
| 3108 | return Failure; |
| 3109 | } |
| 3110 | F.TypeOffsets = reinterpret_cast<const UnderalignedInt64 *>(Blob.data()); |
| 3111 | F.LocalNumTypes = Record[0]; |
| 3112 | unsigned LocalBaseTypeIndex = Record[1]; |
| 3113 | F.BaseTypeIndex = getTotalNumTypes(); |
| 3114 | |
| 3115 | if (F.LocalNumTypes > 0) { |
| 3116 | // Introduce the global -> local mapping for types within this module. |
| 3117 | GlobalTypeMap.insert(std::make_pair(getTotalNumTypes(), &F)); |
| 3118 | |
| 3119 | // Introduce the local -> global mapping for types within this module. |
| 3120 | F.TypeRemap.insertOrReplace( |
| 3121 | std::make_pair(LocalBaseTypeIndex, |
| 3122 | F.BaseTypeIndex - LocalBaseTypeIndex)); |
| 3123 | |
| 3124 | TypesLoaded.resize(TypesLoaded.size() + F.LocalNumTypes); |
| 3125 | } |
| 3126 | break; |
| 3127 | } |
| 3128 | |
| 3129 | case DECL_OFFSET: { |
| 3130 | if (F.LocalNumDecls != 0) { |
| 3131 | Error("duplicate DECL_OFFSET record in AST file" ); |
| 3132 | return Failure; |
| 3133 | } |
| 3134 | F.DeclOffsets = (const DeclOffset *)Blob.data(); |
| 3135 | F.LocalNumDecls = Record[0]; |
| 3136 | unsigned LocalBaseDeclID = Record[1]; |
| 3137 | F.BaseDeclID = getTotalNumDecls(); |
| 3138 | |
| 3139 | if (F.LocalNumDecls > 0) { |
| 3140 | // Introduce the global -> local mapping for declarations within this |
| 3141 | // module. |
| 3142 | GlobalDeclMap.insert( |
| 3143 | std::make_pair(getTotalNumDecls() + NUM_PREDEF_DECL_IDS, &F)); |
| 3144 | |
| 3145 | // Introduce the local -> global mapping for declarations within this |
| 3146 | // module. |
| 3147 | F.DeclRemap.insertOrReplace( |
| 3148 | std::make_pair(LocalBaseDeclID, F.BaseDeclID - LocalBaseDeclID)); |
| 3149 | |
| 3150 | // Introduce the global -> local mapping for declarations within this |
| 3151 | // module. |
| 3152 | F.GlobalToLocalDeclIDs[&F] = LocalBaseDeclID; |
| 3153 | |
| 3154 | DeclsLoaded.resize(DeclsLoaded.size() + F.LocalNumDecls); |
| 3155 | } |
| 3156 | break; |
| 3157 | } |
| 3158 | |
| 3159 | case TU_UPDATE_LEXICAL: { |
| 3160 | DeclContext *TU = ContextObj->getTranslationUnitDecl(); |
| 3161 | LexicalContents Contents( |
| 3162 | reinterpret_cast<const llvm::support::unaligned_uint32_t *>( |
| 3163 | Blob.data()), |
| 3164 | static_cast<unsigned int>(Blob.size() / 4)); |
| 3165 | TULexicalDecls.push_back(std::make_pair(&F, Contents)); |
| 3166 | TU->setHasExternalLexicalStorage(true); |
| 3167 | break; |
| 3168 | } |
| 3169 | |
| 3170 | case UPDATE_VISIBLE: { |
| 3171 | unsigned Idx = 0; |
| 3172 | serialization::DeclID ID = ReadDeclID(F, Record, Idx); |
| 3173 | auto *Data = (const unsigned char*)Blob.data(); |
| 3174 | PendingVisibleUpdates[ID].push_back(PendingVisibleUpdate{&F, Data}); |
| 3175 | // If we've already loaded the decl, perform the updates when we finish |
| 3176 | // loading this block. |
| 3177 | if (Decl *D = GetExistingDecl(ID)) |
| 3178 | PendingUpdateRecords.push_back( |
| 3179 | PendingUpdateRecord(ID, D, /*JustLoaded=*/false)); |
| 3180 | break; |
| 3181 | } |
| 3182 | |
| 3183 | case IDENTIFIER_TABLE: |
| 3184 | F.IdentifierTableData = Blob.data(); |
| 3185 | if (Record[0]) { |
| 3186 | F.IdentifierLookupTable = ASTIdentifierLookupTable::Create( |
| 3187 | (const unsigned char *)F.IdentifierTableData + Record[0], |
| 3188 | (const unsigned char *)F.IdentifierTableData + sizeof(uint32_t), |
| 3189 | (const unsigned char *)F.IdentifierTableData, |
| 3190 | ASTIdentifierLookupTrait(*this, F)); |
| 3191 | |
| 3192 | PP.getIdentifierTable().setExternalIdentifierLookup(this); |
| 3193 | } |
| 3194 | break; |
| 3195 | |
| 3196 | case IDENTIFIER_OFFSET: { |
| 3197 | if (F.LocalNumIdentifiers != 0) { |
| 3198 | Error("duplicate IDENTIFIER_OFFSET record in AST file" ); |
| 3199 | return Failure; |
| 3200 | } |
| 3201 | F.IdentifierOffsets = (const uint32_t *)Blob.data(); |
| 3202 | F.LocalNumIdentifiers = Record[0]; |
| 3203 | unsigned LocalBaseIdentifierID = Record[1]; |
| 3204 | F.BaseIdentifierID = getTotalNumIdentifiers(); |
| 3205 | |
| 3206 | if (F.LocalNumIdentifiers > 0) { |
| 3207 | // Introduce the global -> local mapping for identifiers within this |
| 3208 | // module. |
| 3209 | GlobalIdentifierMap.insert(std::make_pair(getTotalNumIdentifiers() + 1, |
| 3210 | &F)); |
| 3211 | |
| 3212 | // Introduce the local -> global mapping for identifiers within this |
| 3213 | // module. |
| 3214 | F.IdentifierRemap.insertOrReplace( |
| 3215 | std::make_pair(LocalBaseIdentifierID, |
| 3216 | F.BaseIdentifierID - LocalBaseIdentifierID)); |
| 3217 | |
| 3218 | IdentifiersLoaded.resize(IdentifiersLoaded.size() |
| 3219 | + F.LocalNumIdentifiers); |
| 3220 | } |
| 3221 | break; |
| 3222 | } |
| 3223 | |
| 3224 | case INTERESTING_IDENTIFIERS: |
| 3225 | F.PreloadIdentifierOffsets.assign(Record.begin(), Record.end()); |
| 3226 | break; |
| 3227 | |
| 3228 | case EAGERLY_DESERIALIZED_DECLS: |
| 3229 | // FIXME: Skip reading this record if our ASTConsumer doesn't care |
| 3230 | // about "interesting" decls (for instance, if we're building a module). |
| 3231 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3232 | EagerlyDeserializedDecls.push_back(getGlobalDeclID(F, Record[I])); |
| 3233 | break; |
| 3234 | |
| 3235 | case MODULAR_CODEGEN_DECLS: |
| 3236 | // FIXME: Skip reading this record if our ASTConsumer doesn't care about |
| 3237 | // them (ie: if we're not codegenerating this module). |
| 3238 | if (F.Kind == MK_MainFile || |
| 3239 | getContext().getLangOpts().BuildingPCHWithObjectFile) |
| 3240 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3241 | EagerlyDeserializedDecls.push_back(getGlobalDeclID(F, Record[I])); |
| 3242 | break; |
| 3243 | |
| 3244 | case SPECIAL_TYPES: |
| 3245 | if (SpecialTypes.empty()) { |
| 3246 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3247 | SpecialTypes.push_back(getGlobalTypeID(F, Record[I])); |
| 3248 | break; |
| 3249 | } |
| 3250 | |
| 3251 | if (SpecialTypes.size() != Record.size()) { |
| 3252 | Error("invalid special-types record" ); |
| 3253 | return Failure; |
| 3254 | } |
| 3255 | |
| 3256 | for (unsigned I = 0, N = Record.size(); I != N; ++I) { |
| 3257 | serialization::TypeID ID = getGlobalTypeID(F, Record[I]); |
| 3258 | if (!SpecialTypes[I]) |
| 3259 | SpecialTypes[I] = ID; |
| 3260 | // FIXME: If ID && SpecialTypes[I] != ID, do we need a separate |
| 3261 | // merge step? |
| 3262 | } |
| 3263 | break; |
| 3264 | |
| 3265 | case STATISTICS: |
| 3266 | TotalNumStatements += Record[0]; |
| 3267 | TotalNumMacros += Record[1]; |
| 3268 | TotalLexicalDeclContexts += Record[2]; |
| 3269 | TotalVisibleDeclContexts += Record[3]; |
| 3270 | break; |
| 3271 | |
| 3272 | case UNUSED_FILESCOPED_DECLS: |
| 3273 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3274 | UnusedFileScopedDecls.push_back(getGlobalDeclID(F, Record[I])); |
| 3275 | break; |
| 3276 | |
| 3277 | case DELEGATING_CTORS: |
| 3278 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3279 | DelegatingCtorDecls.push_back(getGlobalDeclID(F, Record[I])); |
| 3280 | break; |
| 3281 | |
| 3282 | case WEAK_UNDECLARED_IDENTIFIERS: |
| 3283 | if (Record.size() % 4 != 0) { |
| 3284 | Error("invalid weak identifiers record" ); |
| 3285 | return Failure; |
| 3286 | } |
| 3287 | |
| 3288 | // FIXME: Ignore weak undeclared identifiers from non-original PCH |
| 3289 | // files. This isn't the way to do it :) |
| 3290 | WeakUndeclaredIdentifiers.clear(); |
| 3291 | |
| 3292 | // Translate the weak, undeclared identifiers into global IDs. |
| 3293 | for (unsigned I = 0, N = Record.size(); I < N; /* in loop */) { |
| 3294 | WeakUndeclaredIdentifiers.push_back( |
| 3295 | getGlobalIdentifierID(F, Record[I++])); |
| 3296 | WeakUndeclaredIdentifiers.push_back( |
| 3297 | getGlobalIdentifierID(F, Record[I++])); |
| 3298 | WeakUndeclaredIdentifiers.push_back( |
| 3299 | ReadSourceLocation(F, Record, I).getRawEncoding()); |
| 3300 | WeakUndeclaredIdentifiers.push_back(Record[I++]); |
| 3301 | } |
| 3302 | break; |
| 3303 | |
| 3304 | case SELECTOR_OFFSETS: { |
| 3305 | F.SelectorOffsets = (const uint32_t *)Blob.data(); |
| 3306 | F.LocalNumSelectors = Record[0]; |
| 3307 | unsigned LocalBaseSelectorID = Record[1]; |
| 3308 | F.BaseSelectorID = getTotalNumSelectors(); |
| 3309 | |
| 3310 | if (F.LocalNumSelectors > 0) { |
| 3311 | // Introduce the global -> local mapping for selectors within this |
| 3312 | // module. |
| 3313 | GlobalSelectorMap.insert(std::make_pair(getTotalNumSelectors()+1, &F)); |
| 3314 | |
| 3315 | // Introduce the local -> global mapping for selectors within this |
| 3316 | // module. |
| 3317 | F.SelectorRemap.insertOrReplace( |
| 3318 | std::make_pair(LocalBaseSelectorID, |
| 3319 | F.BaseSelectorID - LocalBaseSelectorID)); |
| 3320 | |
| 3321 | SelectorsLoaded.resize(SelectorsLoaded.size() + F.LocalNumSelectors); |
| 3322 | } |
| 3323 | break; |
| 3324 | } |
| 3325 | |
| 3326 | case METHOD_POOL: |
| 3327 | F.SelectorLookupTableData = (const unsigned char *)Blob.data(); |
| 3328 | if (Record[0]) |
| 3329 | F.SelectorLookupTable |
| 3330 | = ASTSelectorLookupTable::Create( |
| 3331 | F.SelectorLookupTableData + Record[0], |
| 3332 | F.SelectorLookupTableData, |
| 3333 | ASTSelectorLookupTrait(*this, F)); |
| 3334 | TotalNumMethodPoolEntries += Record[1]; |
| 3335 | break; |
| 3336 | |
| 3337 | case REFERENCED_SELECTOR_POOL: |
| 3338 | if (!Record.empty()) { |
| 3339 | for (unsigned Idx = 0, N = Record.size() - 1; Idx < N; /* in loop */) { |
| 3340 | ReferencedSelectorsData.push_back(getGlobalSelectorID(F, |
| 3341 | Record[Idx++])); |
| 3342 | ReferencedSelectorsData.push_back(ReadSourceLocation(F, Record, Idx). |
| 3343 | getRawEncoding()); |
| 3344 | } |
| 3345 | } |
| 3346 | break; |
| 3347 | |
| 3348 | case PP_CONDITIONAL_STACK: |
| 3349 | if (!Record.empty()) { |
| 3350 | unsigned Idx = 0, End = Record.size() - 1; |
| 3351 | bool ReachedEOFWhileSkipping = Record[Idx++]; |
| 3352 | llvm::Optional<Preprocessor::PreambleSkipInfo> SkipInfo; |
| 3353 | if (ReachedEOFWhileSkipping) { |
| 3354 | SourceLocation HashToken = ReadSourceLocation(F, Record, Idx); |
| 3355 | SourceLocation IfTokenLoc = ReadSourceLocation(F, Record, Idx); |
| 3356 | bool FoundNonSkipPortion = Record[Idx++]; |
| 3357 | bool FoundElse = Record[Idx++]; |
| 3358 | SourceLocation ElseLoc = ReadSourceLocation(F, Record, Idx); |
| 3359 | SkipInfo.emplace(HashToken, IfTokenLoc, FoundNonSkipPortion, |
| 3360 | FoundElse, ElseLoc); |
| 3361 | } |
| 3362 | SmallVector<PPConditionalInfo, 4> ConditionalStack; |
| 3363 | while (Idx < End) { |
| 3364 | auto Loc = ReadSourceLocation(F, Record, Idx); |
| 3365 | bool WasSkipping = Record[Idx++]; |
| 3366 | bool FoundNonSkip = Record[Idx++]; |
| 3367 | bool FoundElse = Record[Idx++]; |
| 3368 | ConditionalStack.push_back( |
| 3369 | {Loc, WasSkipping, FoundNonSkip, FoundElse}); |
| 3370 | } |
| 3371 | PP.setReplayablePreambleConditionalStack(ConditionalStack, SkipInfo); |
| 3372 | } |
| 3373 | break; |
| 3374 | |
| 3375 | case PP_COUNTER_VALUE: |
| 3376 | if (!Record.empty() && Listener) |
| 3377 | Listener->ReadCounter(F, Record[0]); |
| 3378 | break; |
| 3379 | |
| 3380 | case FILE_SORTED_DECLS: |
| 3381 | F.FileSortedDecls = (const DeclID *)Blob.data(); |
| 3382 | F.NumFileSortedDecls = Record[0]; |
| 3383 | break; |
| 3384 | |
| 3385 | case SOURCE_LOCATION_OFFSETS: { |
| 3386 | F.SLocEntryOffsets = (const uint32_t *)Blob.data(); |
| 3387 | F.LocalNumSLocEntries = Record[0]; |
| 3388 | unsigned SLocSpaceSize = Record[1]; |
| 3389 | F.SLocEntryOffsetsBase = Record[2] + F.SourceManagerBlockStartOffset; |
| 3390 | std::tie(F.SLocEntryBaseID, F.SLocEntryBaseOffset) = |
| 3391 | SourceMgr.AllocateLoadedSLocEntries(F.LocalNumSLocEntries, |
| 3392 | SLocSpaceSize); |
| 3393 | if (!F.SLocEntryBaseID) { |
| 3394 | Error("ran out of source locations" ); |
| 3395 | break; |
| 3396 | } |
| 3397 | // Make our entry in the range map. BaseID is negative and growing, so |
| 3398 | // we invert it. Because we invert it, though, we need the other end of |
| 3399 | // the range. |
| 3400 | unsigned RangeStart = |
| 3401 | unsigned(-F.SLocEntryBaseID) - F.LocalNumSLocEntries + 1; |
| 3402 | GlobalSLocEntryMap.insert(std::make_pair(RangeStart, &F)); |
| 3403 | F.FirstLoc = SourceLocation::getFromRawEncoding(F.SLocEntryBaseOffset); |
| 3404 | |
| 3405 | // SLocEntryBaseOffset is lower than MaxLoadedOffset and decreasing. |
| 3406 | assert((F.SLocEntryBaseOffset & (1U << 31U)) == 0); |
| 3407 | GlobalSLocOffsetMap.insert( |
| 3408 | std::make_pair(SourceManager::MaxLoadedOffset - F.SLocEntryBaseOffset |
| 3409 | - SLocSpaceSize,&F)); |
| 3410 | |
| 3411 | // Initialize the remapping table. |
| 3412 | // Invalid stays invalid. |
| 3413 | F.SLocRemap.insertOrReplace(std::make_pair(0U, 0)); |
| 3414 | // This module. Base was 2 when being compiled. |
| 3415 | F.SLocRemap.insertOrReplace(std::make_pair(2U, |
| 3416 | static_cast<int>(F.SLocEntryBaseOffset - 2))); |
| 3417 | |
| 3418 | TotalNumSLocEntries += F.LocalNumSLocEntries; |
| 3419 | break; |
| 3420 | } |
| 3421 | |
| 3422 | case MODULE_OFFSET_MAP: |
| 3423 | F.ModuleOffsetMap = Blob; |
| 3424 | break; |
| 3425 | |
| 3426 | case SOURCE_MANAGER_LINE_TABLE: |
| 3427 | if (ParseLineTable(F, Record)) { |
| 3428 | Error("malformed SOURCE_MANAGER_LINE_TABLE in AST file" ); |
| 3429 | return Failure; |
| 3430 | } |
| 3431 | break; |
| 3432 | |
| 3433 | case SOURCE_LOCATION_PRELOADS: { |
| 3434 | // Need to transform from the local view (1-based IDs) to the global view, |
| 3435 | // which is based off F.SLocEntryBaseID. |
| 3436 | if (!F.PreloadSLocEntries.empty()) { |
| 3437 | Error("Multiple SOURCE_LOCATION_PRELOADS records in AST file" ); |
| 3438 | return Failure; |
| 3439 | } |
| 3440 | |
| 3441 | F.PreloadSLocEntries.swap(Record); |
| 3442 | break; |
| 3443 | } |
| 3444 | |
| 3445 | case EXT_VECTOR_DECLS: |
| 3446 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3447 | ExtVectorDecls.push_back(getGlobalDeclID(F, Record[I])); |
| 3448 | break; |
| 3449 | |
| 3450 | case VTABLE_USES: |
| 3451 | if (Record.size() % 3 != 0) { |
| 3452 | Error("Invalid VTABLE_USES record" ); |
| 3453 | return Failure; |
| 3454 | } |
| 3455 | |
| 3456 | // Later tables overwrite earlier ones. |
| 3457 | // FIXME: Modules will have some trouble with this. This is clearly not |
| 3458 | // the right way to do this. |
| 3459 | VTableUses.clear(); |
| 3460 | |
| 3461 | for (unsigned Idx = 0, N = Record.size(); Idx != N; /* In loop */) { |
| 3462 | VTableUses.push_back(getGlobalDeclID(F, Record[Idx++])); |
| 3463 | VTableUses.push_back( |
| 3464 | ReadSourceLocation(F, Record, Idx).getRawEncoding()); |
| 3465 | VTableUses.push_back(Record[Idx++]); |
| 3466 | } |
| 3467 | break; |
| 3468 | |
| 3469 | case PENDING_IMPLICIT_INSTANTIATIONS: |
| 3470 | if (PendingInstantiations.size() % 2 != 0) { |
| 3471 | Error("Invalid existing PendingInstantiations" ); |
| 3472 | return Failure; |
| 3473 | } |
| 3474 | |
| 3475 | if (Record.size() % 2 != 0) { |
| 3476 | Error("Invalid PENDING_IMPLICIT_INSTANTIATIONS block" ); |
| 3477 | return Failure; |
| 3478 | } |
| 3479 | |
| 3480 | for (unsigned I = 0, N = Record.size(); I != N; /* in loop */) { |
| 3481 | PendingInstantiations.push_back(getGlobalDeclID(F, Record[I++])); |
| 3482 | PendingInstantiations.push_back( |
| 3483 | ReadSourceLocation(F, Record, I).getRawEncoding()); |
| 3484 | } |
| 3485 | break; |
| 3486 | |
| 3487 | case SEMA_DECL_REFS: |
| 3488 | if (Record.size() != 3) { |
| 3489 | Error("Invalid SEMA_DECL_REFS block" ); |
| 3490 | return Failure; |
| 3491 | } |
| 3492 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3493 | SemaDeclRefs.push_back(getGlobalDeclID(F, Record[I])); |
| 3494 | break; |
| 3495 | |
| 3496 | case PPD_ENTITIES_OFFSETS: { |
| 3497 | F.PreprocessedEntityOffsets = (const PPEntityOffset *)Blob.data(); |
| 3498 | assert(Blob.size() % sizeof(PPEntityOffset) == 0); |
| 3499 | F.NumPreprocessedEntities = Blob.size() / sizeof(PPEntityOffset); |
| 3500 | |
| 3501 | unsigned LocalBasePreprocessedEntityID = Record[0]; |
| 3502 | |
| 3503 | unsigned StartingID; |
| 3504 | if (!PP.getPreprocessingRecord()) |
| 3505 | PP.createPreprocessingRecord(); |
| 3506 | if (!PP.getPreprocessingRecord()->getExternalSource()) |
| 3507 | PP.getPreprocessingRecord()->SetExternalSource(*this); |
| 3508 | StartingID |
| 3509 | = PP.getPreprocessingRecord() |
| 3510 | ->allocateLoadedEntities(F.NumPreprocessedEntities); |
| 3511 | F.BasePreprocessedEntityID = StartingID; |
| 3512 | |
| 3513 | if (F.NumPreprocessedEntities > 0) { |
| 3514 | // Introduce the global -> local mapping for preprocessed entities in |
| 3515 | // this module. |
| 3516 | GlobalPreprocessedEntityMap.insert(std::make_pair(StartingID, &F)); |
| 3517 | |
| 3518 | // Introduce the local -> global mapping for preprocessed entities in |
| 3519 | // this module. |
| 3520 | F.PreprocessedEntityRemap.insertOrReplace( |
| 3521 | std::make_pair(LocalBasePreprocessedEntityID, |
| 3522 | F.BasePreprocessedEntityID - LocalBasePreprocessedEntityID)); |
| 3523 | } |
| 3524 | |
| 3525 | break; |
| 3526 | } |
| 3527 | |
| 3528 | case PPD_SKIPPED_RANGES: { |
| 3529 | F.PreprocessedSkippedRangeOffsets = (const PPSkippedRange*)Blob.data(); |
| 3530 | assert(Blob.size() % sizeof(PPSkippedRange) == 0); |
| 3531 | F.NumPreprocessedSkippedRanges = Blob.size() / sizeof(PPSkippedRange); |
| 3532 | |
| 3533 | if (!PP.getPreprocessingRecord()) |
| 3534 | PP.createPreprocessingRecord(); |
| 3535 | if (!PP.getPreprocessingRecord()->getExternalSource()) |
| 3536 | PP.getPreprocessingRecord()->SetExternalSource(*this); |
| 3537 | F.BasePreprocessedSkippedRangeID = PP.getPreprocessingRecord() |
| 3538 | ->allocateSkippedRanges(F.NumPreprocessedSkippedRanges); |
| 3539 | |
| 3540 | if (F.NumPreprocessedSkippedRanges > 0) |
| 3541 | GlobalSkippedRangeMap.insert( |
| 3542 | std::make_pair(F.BasePreprocessedSkippedRangeID, &F)); |
| 3543 | break; |
| 3544 | } |
| 3545 | |
| 3546 | case DECL_UPDATE_OFFSETS: |
| 3547 | if (Record.size() % 2 != 0) { |
| 3548 | Error("invalid DECL_UPDATE_OFFSETS block in AST file" ); |
| 3549 | return Failure; |
| 3550 | } |
| 3551 | for (unsigned I = 0, N = Record.size(); I != N; I += 2) { |
| 3552 | GlobalDeclID ID = getGlobalDeclID(F, Record[I]); |
| 3553 | DeclUpdateOffsets[ID].push_back(std::make_pair(&F, Record[I + 1])); |
| 3554 | |
| 3555 | // If we've already loaded the decl, perform the updates when we finish |
| 3556 | // loading this block. |
| 3557 | if (Decl *D = GetExistingDecl(ID)) |
| 3558 | PendingUpdateRecords.push_back( |
| 3559 | PendingUpdateRecord(ID, D, /*JustLoaded=*/false)); |
| 3560 | } |
| 3561 | break; |
| 3562 | |
| 3563 | case OBJC_CATEGORIES_MAP: |
| 3564 | if (F.LocalNumObjCCategoriesInMap != 0) { |
| 3565 | Error("duplicate OBJC_CATEGORIES_MAP record in AST file" ); |
| 3566 | return Failure; |
| 3567 | } |
| 3568 | |
| 3569 | F.LocalNumObjCCategoriesInMap = Record[0]; |
| 3570 | F.ObjCCategoriesMap = (const ObjCCategoriesInfo *)Blob.data(); |
| 3571 | break; |
| 3572 | |
| 3573 | case OBJC_CATEGORIES: |
| 3574 | F.ObjCCategories.swap(Record); |
| 3575 | break; |
| 3576 | |
| 3577 | case CUDA_SPECIAL_DECL_REFS: |
| 3578 | // Later tables overwrite earlier ones. |
| 3579 | // FIXME: Modules will have trouble with this. |
| 3580 | CUDASpecialDeclRefs.clear(); |
| 3581 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3582 | CUDASpecialDeclRefs.push_back(getGlobalDeclID(F, Record[I])); |
| 3583 | break; |
| 3584 | |
| 3585 | case HEADER_SEARCH_TABLE: |
| 3586 | F.HeaderFileInfoTableData = Blob.data(); |
| 3587 | F.LocalNumHeaderFileInfos = Record[1]; |
| 3588 | if (Record[0]) { |
| 3589 | F.HeaderFileInfoTable |
| 3590 | = HeaderFileInfoLookupTable::Create( |
| 3591 | (const unsigned char *)F.HeaderFileInfoTableData + Record[0], |
| 3592 | (const unsigned char *)F.HeaderFileInfoTableData, |
| 3593 | HeaderFileInfoTrait(*this, F, |
| 3594 | &PP.getHeaderSearchInfo(), |
| 3595 | Blob.data() + Record[2])); |
| 3596 | |
| 3597 | PP.getHeaderSearchInfo().SetExternalSource(this); |
| 3598 | if (!PP.getHeaderSearchInfo().getExternalLookup()) |
| 3599 | PP.getHeaderSearchInfo().SetExternalLookup(this); |
| 3600 | } |
| 3601 | break; |
| 3602 | |
| 3603 | case FP_PRAGMA_OPTIONS: |
| 3604 | // Later tables overwrite earlier ones. |
| 3605 | FPPragmaOptions.swap(Record); |
| 3606 | break; |
| 3607 | |
| 3608 | case OPENCL_EXTENSIONS: |
| 3609 | for (unsigned I = 0, E = Record.size(); I != E; ) { |
| 3610 | auto Name = ReadString(Record, I); |
| 3611 | auto &OptInfo = OpenCLExtensions.OptMap[Name]; |
| 3612 | OptInfo.Supported = Record[I++] != 0; |
| 3613 | OptInfo.Enabled = Record[I++] != 0; |
| 3614 | OptInfo.Avail = Record[I++]; |
| 3615 | OptInfo.Core = Record[I++]; |
| 3616 | OptInfo.Opt = Record[I++]; |
| 3617 | } |
| 3618 | break; |
| 3619 | |
| 3620 | case OPENCL_EXTENSION_TYPES: |
| 3621 | for (unsigned I = 0, E = Record.size(); I != E;) { |
| 3622 | auto TypeID = static_cast<::TypeID>(Record[I++]); |
| 3623 | auto *Type = GetType(TypeID).getTypePtr(); |
| 3624 | auto NumExt = static_cast<unsigned>(Record[I++]); |
| 3625 | for (unsigned II = 0; II != NumExt; ++II) { |
| 3626 | auto Ext = ReadString(Record, I); |
| 3627 | OpenCLTypeExtMap[Type].insert(Ext); |
| 3628 | } |
| 3629 | } |
| 3630 | break; |
| 3631 | |
| 3632 | case OPENCL_EXTENSION_DECLS: |
| 3633 | for (unsigned I = 0, E = Record.size(); I != E;) { |
| 3634 | auto DeclID = static_cast<::DeclID>(Record[I++]); |
| 3635 | auto *Decl = GetDecl(DeclID); |
| 3636 | auto NumExt = static_cast<unsigned>(Record[I++]); |
| 3637 | for (unsigned II = 0; II != NumExt; ++II) { |
| 3638 | auto Ext = ReadString(Record, I); |
| 3639 | OpenCLDeclExtMap[Decl].insert(Ext); |
| 3640 | } |
| 3641 | } |
| 3642 | break; |
| 3643 | |
| 3644 | case TENTATIVE_DEFINITIONS: |
| 3645 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3646 | TentativeDefinitions.push_back(getGlobalDeclID(F, Record[I])); |
| 3647 | break; |
| 3648 | |
| 3649 | case KNOWN_NAMESPACES: |
| 3650 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3651 | KnownNamespaces.push_back(getGlobalDeclID(F, Record[I])); |
| 3652 | break; |
| 3653 | |
| 3654 | case UNDEFINED_BUT_USED: |
| 3655 | if (UndefinedButUsed.size() % 2 != 0) { |
| 3656 | Error("Invalid existing UndefinedButUsed" ); |
| 3657 | return Failure; |
| 3658 | } |
| 3659 | |
| 3660 | if (Record.size() % 2 != 0) { |
| 3661 | Error("invalid undefined-but-used record" ); |
| 3662 | return Failure; |
| 3663 | } |
| 3664 | for (unsigned I = 0, N = Record.size(); I != N; /* in loop */) { |
| 3665 | UndefinedButUsed.push_back(getGlobalDeclID(F, Record[I++])); |
| 3666 | UndefinedButUsed.push_back( |
| 3667 | ReadSourceLocation(F, Record, I).getRawEncoding()); |
| 3668 | } |
| 3669 | break; |
| 3670 | |
| 3671 | case DELETE_EXPRS_TO_ANALYZE: |
| 3672 | for (unsigned I = 0, N = Record.size(); I != N;) { |
| 3673 | DelayedDeleteExprs.push_back(getGlobalDeclID(F, Record[I++])); |
| 3674 | const uint64_t Count = Record[I++]; |
| 3675 | DelayedDeleteExprs.push_back(Count); |
| 3676 | for (uint64_t C = 0; C < Count; ++C) { |
| 3677 | DelayedDeleteExprs.push_back(ReadSourceLocation(F, Record, I).getRawEncoding()); |
| 3678 | bool IsArrayForm = Record[I++] == 1; |
| 3679 | DelayedDeleteExprs.push_back(IsArrayForm); |
| 3680 | } |
| 3681 | } |
| 3682 | break; |
| 3683 | |
| 3684 | case IMPORTED_MODULES: |
| 3685 | if (!F.isModule()) { |
| 3686 | // If we aren't loading a module (which has its own exports), make |
| 3687 | // all of the imported modules visible. |
| 3688 | // FIXME: Deal with macros-only imports. |
| 3689 | for (unsigned I = 0, N = Record.size(); I != N; /**/) { |
| 3690 | unsigned GlobalID = getGlobalSubmoduleID(F, Record[I++]); |
| 3691 | SourceLocation Loc = ReadSourceLocation(F, Record, I); |
| 3692 | if (GlobalID) { |
| 3693 | ImportedModules.push_back(ImportedSubmodule(GlobalID, Loc)); |
| 3694 | if (DeserializationListener) |
| 3695 | DeserializationListener->ModuleImportRead(GlobalID, Loc); |
| 3696 | } |
| 3697 | } |
| 3698 | } |
| 3699 | break; |
| 3700 | |
| 3701 | case MACRO_OFFSET: { |
| 3702 | if (F.LocalNumMacros != 0) { |
| 3703 | Error("duplicate MACRO_OFFSET record in AST file" ); |
| 3704 | return Failure; |
| 3705 | } |
| 3706 | F.MacroOffsets = (const uint32_t *)Blob.data(); |
| 3707 | F.LocalNumMacros = Record[0]; |
| 3708 | unsigned LocalBaseMacroID = Record[1]; |
| 3709 | F.MacroOffsetsBase = Record[2] + F.ASTBlockStartOffset; |
| 3710 | F.BaseMacroID = getTotalNumMacros(); |
| 3711 | |
| 3712 | if (F.LocalNumMacros > 0) { |
| 3713 | // Introduce the global -> local mapping for macros within this module. |
| 3714 | GlobalMacroMap.insert(std::make_pair(getTotalNumMacros() + 1, &F)); |
| 3715 | |
| 3716 | // Introduce the local -> global mapping for macros within this module. |
| 3717 | F.MacroRemap.insertOrReplace( |
| 3718 | std::make_pair(LocalBaseMacroID, |
| 3719 | F.BaseMacroID - LocalBaseMacroID)); |
| 3720 | |
| 3721 | MacrosLoaded.resize(MacrosLoaded.size() + F.LocalNumMacros); |
| 3722 | } |
| 3723 | break; |
| 3724 | } |
| 3725 | |
| 3726 | case LATE_PARSED_TEMPLATE: |
| 3727 | LateParsedTemplates.emplace_back( |
| 3728 | std::piecewise_construct, std::forward_as_tuple(&F), |
| 3729 | std::forward_as_tuple(Record.begin(), Record.end())); |
| 3730 | break; |
| 3731 | |
| 3732 | case OPTIMIZE_PRAGMA_OPTIONS: |
| 3733 | if (Record.size() != 1) { |
| 3734 | Error("invalid pragma optimize record" ); |
| 3735 | return Failure; |
| 3736 | } |
| 3737 | OptimizeOffPragmaLocation = ReadSourceLocation(F, Record[0]); |
| 3738 | break; |
| 3739 | |
| 3740 | case MSSTRUCT_PRAGMA_OPTIONS: |
| 3741 | if (Record.size() != 1) { |
| 3742 | Error("invalid pragma ms_struct record" ); |
| 3743 | return Failure; |
| 3744 | } |
| 3745 | PragmaMSStructState = Record[0]; |
| 3746 | break; |
| 3747 | |
| 3748 | case POINTERS_TO_MEMBERS_PRAGMA_OPTIONS: |
| 3749 | if (Record.size() != 2) { |
| 3750 | Error("invalid pragma ms_struct record" ); |
| 3751 | return Failure; |
| 3752 | } |
| 3753 | PragmaMSPointersToMembersState = Record[0]; |
| 3754 | PointersToMembersPragmaLocation = ReadSourceLocation(F, Record[1]); |
| 3755 | break; |
| 3756 | |
| 3757 | case UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES: |
| 3758 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3759 | UnusedLocalTypedefNameCandidates.push_back( |
| 3760 | getGlobalDeclID(F, Record[I])); |
| 3761 | break; |
| 3762 | |
| 3763 | case CUDA_PRAGMA_FORCE_HOST_DEVICE_DEPTH: |
| 3764 | if (Record.size() != 1) { |
| 3765 | Error("invalid cuda pragma options record" ); |
| 3766 | return Failure; |
| 3767 | } |
| 3768 | ForceCUDAHostDeviceDepth = Record[0]; |
| 3769 | break; |
| 3770 | |
| 3771 | case ALIGN_PACK_PRAGMA_OPTIONS: { |
| 3772 | if (Record.size() < 3) { |
| 3773 | Error("invalid pragma pack record" ); |
| 3774 | return Failure; |
| 3775 | } |
| 3776 | PragmaAlignPackCurrentValue = ReadAlignPackInfo(Record[0]); |
| 3777 | PragmaAlignPackCurrentLocation = ReadSourceLocation(F, Record[1]); |
| 3778 | unsigned NumStackEntries = Record[2]; |
| 3779 | unsigned Idx = 3; |
| 3780 | // Reset the stack when importing a new module. |
| 3781 | PragmaAlignPackStack.clear(); |
| 3782 | for (unsigned I = 0; I < NumStackEntries; ++I) { |
| 3783 | PragmaAlignPackStackEntry Entry; |
| 3784 | Entry.Value = ReadAlignPackInfo(Record[Idx++]); |
| 3785 | Entry.Location = ReadSourceLocation(F, Record[Idx++]); |
| 3786 | Entry.PushLocation = ReadSourceLocation(F, Record[Idx++]); |
| 3787 | PragmaAlignPackStrings.push_back(ReadString(Record, Idx)); |
| 3788 | Entry.SlotLabel = PragmaAlignPackStrings.back(); |
| 3789 | PragmaAlignPackStack.push_back(Entry); |
| 3790 | } |
| 3791 | break; |
| 3792 | } |
| 3793 | |
| 3794 | case FLOAT_CONTROL_PRAGMA_OPTIONS: { |
| 3795 | if (Record.size() < 3) { |
| 3796 | Error("invalid pragma pack record" ); |
| 3797 | return Failure; |
| 3798 | } |
| 3799 | FpPragmaCurrentValue = FPOptionsOverride::getFromOpaqueInt(Record[0]); |
| 3800 | FpPragmaCurrentLocation = ReadSourceLocation(F, Record[1]); |
| 3801 | unsigned NumStackEntries = Record[2]; |
| 3802 | unsigned Idx = 3; |
| 3803 | // Reset the stack when importing a new module. |
| 3804 | FpPragmaStack.clear(); |
| 3805 | for (unsigned I = 0; I < NumStackEntries; ++I) { |
| 3806 | FpPragmaStackEntry Entry; |
| 3807 | Entry.Value = FPOptionsOverride::getFromOpaqueInt(Record[Idx++]); |
| 3808 | Entry.Location = ReadSourceLocation(F, Record[Idx++]); |
| 3809 | Entry.PushLocation = ReadSourceLocation(F, Record[Idx++]); |
| 3810 | FpPragmaStrings.push_back(ReadString(Record, Idx)); |
| 3811 | Entry.SlotLabel = FpPragmaStrings.back(); |
| 3812 | FpPragmaStack.push_back(Entry); |
| 3813 | } |
| 3814 | break; |
| 3815 | } |
| 3816 | |
| 3817 | case DECLS_TO_CHECK_FOR_DEFERRED_DIAGS: |
| 3818 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 3819 | DeclsToCheckForDeferredDiags.push_back(getGlobalDeclID(F, Record[I])); |
| 3820 | break; |
| 3821 | } |
| 3822 | } |
| 3823 | } |
| 3824 | |
| 3825 | void ASTReader::ReadModuleOffsetMap(ModuleFile &F) const { |
| 3826 | assert(!F.ModuleOffsetMap.empty() && "no module offset map to read" ); |
| 3827 | |
| 3828 | // Additional remapping information. |
| 3829 | const unsigned char *Data = (const unsigned char*)F.ModuleOffsetMap.data(); |
| 3830 | const unsigned char *DataEnd = Data + F.ModuleOffsetMap.size(); |
| 3831 | F.ModuleOffsetMap = StringRef(); |
| 3832 | |
| 3833 | // If we see this entry before SOURCE_LOCATION_OFFSETS, add placeholders. |
| 3834 | if (F.SLocRemap.find(0) == F.SLocRemap.end()) { |
| 3835 | F.SLocRemap.insert(std::make_pair(0U, 0)); |
| 3836 | F.SLocRemap.insert(std::make_pair(2U, 1)); |
| 3837 | } |
| 3838 | |
| 3839 | // Continuous range maps we may be updating in our module. |
| 3840 | using RemapBuilder = ContinuousRangeMap<uint32_t, int, 2>::Builder; |
| 3841 | RemapBuilder SLocRemap(F.SLocRemap); |
| 3842 | RemapBuilder IdentifierRemap(F.IdentifierRemap); |
| 3843 | RemapBuilder MacroRemap(F.MacroRemap); |
| 3844 | RemapBuilder PreprocessedEntityRemap(F.PreprocessedEntityRemap); |
| 3845 | RemapBuilder SubmoduleRemap(F.SubmoduleRemap); |
| 3846 | RemapBuilder SelectorRemap(F.SelectorRemap); |
| 3847 | RemapBuilder DeclRemap(F.DeclRemap); |
| 3848 | RemapBuilder TypeRemap(F.TypeRemap); |
| 3849 | |
| 3850 | while (Data < DataEnd) { |
| 3851 | // FIXME: Looking up dependency modules by filename is horrible. Let's |
| 3852 | // start fixing this with prebuilt, explicit and implicit modules and see |
| 3853 | // how it goes... |
| 3854 | using namespace llvm::support; |
| 3855 | ModuleKind Kind = static_cast<ModuleKind>( |
| 3856 | endian::readNext<uint8_t, little, unaligned>(Data)); |
| 3857 | uint16_t Len = endian::readNext<uint16_t, little, unaligned>(Data); |
| 3858 | StringRef Name = StringRef((const char*)Data, Len); |
| 3859 | Data += Len; |
| 3860 | ModuleFile *OM = (Kind == MK_PrebuiltModule || Kind == MK_ExplicitModule || |
| 3861 | Kind == MK_ImplicitModule |
| 3862 | ? ModuleMgr.lookupByModuleName(Name) |
| 3863 | : ModuleMgr.lookupByFileName(Name)); |
| 3864 | if (!OM) { |
| 3865 | std::string Msg = |
| 3866 | "SourceLocation remap refers to unknown module, cannot find " ; |
| 3867 | Msg.append(std::string(Name)); |
| 3868 | Error(Msg); |
| 3869 | return; |
| 3870 | } |
| 3871 | |
| 3872 | uint32_t SLocOffset = |
| 3873 | endian::readNext<uint32_t, little, unaligned>(Data); |
| 3874 | uint32_t IdentifierIDOffset = |
| 3875 | endian::readNext<uint32_t, little, unaligned>(Data); |
| 3876 | uint32_t MacroIDOffset = |
| 3877 | endian::readNext<uint32_t, little, unaligned>(Data); |
| 3878 | uint32_t PreprocessedEntityIDOffset = |
| 3879 | endian::readNext<uint32_t, little, unaligned>(Data); |
| 3880 | uint32_t SubmoduleIDOffset = |
| 3881 | endian::readNext<uint32_t, little, unaligned>(Data); |
| 3882 | uint32_t SelectorIDOffset = |
| 3883 | endian::readNext<uint32_t, little, unaligned>(Data); |
| 3884 | uint32_t DeclIDOffset = |
| 3885 | endian::readNext<uint32_t, little, unaligned>(Data); |
| 3886 | uint32_t TypeIndexOffset = |
| 3887 | endian::readNext<uint32_t, little, unaligned>(Data); |
| 3888 | |
| 3889 | uint32_t None = std::numeric_limits<uint32_t>::max(); |
| 3890 | |
| 3891 | auto mapOffset = [&](uint32_t Offset, uint32_t BaseOffset, |
| 3892 | RemapBuilder &Remap) { |
| 3893 | if (Offset != None) |
| 3894 | Remap.insert(std::make_pair(Offset, |
| 3895 | static_cast<int>(BaseOffset - Offset))); |
| 3896 | }; |
| 3897 | mapOffset(SLocOffset, OM->SLocEntryBaseOffset, SLocRemap); |
| 3898 | mapOffset(IdentifierIDOffset, OM->BaseIdentifierID, IdentifierRemap); |
| 3899 | mapOffset(MacroIDOffset, OM->BaseMacroID, MacroRemap); |
| 3900 | mapOffset(PreprocessedEntityIDOffset, OM->BasePreprocessedEntityID, |
| 3901 | PreprocessedEntityRemap); |
| 3902 | mapOffset(SubmoduleIDOffset, OM->BaseSubmoduleID, SubmoduleRemap); |
| 3903 | mapOffset(SelectorIDOffset, OM->BaseSelectorID, SelectorRemap); |
| 3904 | mapOffset(DeclIDOffset, OM->BaseDeclID, DeclRemap); |
| 3905 | mapOffset(TypeIndexOffset, OM->BaseTypeIndex, TypeRemap); |
| 3906 | |
| 3907 | // Global -> local mappings. |
| 3908 | F.GlobalToLocalDeclIDs[OM] = DeclIDOffset; |
| 3909 | } |
| 3910 | } |
| 3911 | |
| 3912 | ASTReader::ASTReadResult |
| 3913 | ASTReader::ReadModuleMapFileBlock(RecordData &Record, ModuleFile &F, |
| 3914 | const ModuleFile *ImportedBy, |
| 3915 | unsigned ClientLoadCapabilities) { |
| 3916 | unsigned Idx = 0; |
| 3917 | F.ModuleMapPath = ReadPath(F, Record, Idx); |
| 3918 | |
| 3919 | // Try to resolve ModuleName in the current header search context and |
| 3920 | // verify that it is found in the same module map file as we saved. If the |
| 3921 | // top-level AST file is a main file, skip this check because there is no |
| 3922 | // usable header search context. |
| 3923 | assert(!F.ModuleName.empty() && |
| 3924 | "MODULE_NAME should come before MODULE_MAP_FILE" ); |
| 3925 | if (F.Kind == MK_ImplicitModule && ModuleMgr.begin()->Kind != MK_MainFile) { |
| 3926 | // An implicitly-loaded module file should have its module listed in some |
| 3927 | // module map file that we've already loaded. |
| 3928 | Module *M = PP.getHeaderSearchInfo().lookupModule(F.ModuleName); |
| 3929 | auto &Map = PP.getHeaderSearchInfo().getModuleMap(); |
| 3930 | const FileEntry *ModMap = M ? Map.getModuleMapFileForUniquing(M) : nullptr; |
| 3931 | // Don't emit module relocation error if we have -fno-validate-pch |
| 3932 | if (!bool(PP.getPreprocessorOpts().DisablePCHOrModuleValidation & |
| 3933 | DisableValidationForModuleKind::Module) && |
| 3934 | !ModMap) { |
| 3935 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) { |
| 3936 | if (auto ASTFE = M ? M->getASTFile() : None) { |
| 3937 | // This module was defined by an imported (explicit) module. |
| 3938 | Diag(diag::err_module_file_conflict) << F.ModuleName << F.FileName |
| 3939 | << ASTFE->getName(); |
| 3940 | } else { |
| 3941 | // This module was built with a different module map. |
| 3942 | Diag(diag::err_imported_module_not_found) |
| 3943 | << F.ModuleName << F.FileName |
| 3944 | << (ImportedBy ? ImportedBy->FileName : "" ) << F.ModuleMapPath |
| 3945 | << !ImportedBy; |
| 3946 | // In case it was imported by a PCH, there's a chance the user is |
| 3947 | // just missing to include the search path to the directory containing |
| 3948 | // the modulemap. |
| 3949 | if (ImportedBy && ImportedBy->Kind == MK_PCH) |
| 3950 | Diag(diag::note_imported_by_pch_module_not_found) |
| 3951 | << llvm::sys::path::parent_path(F.ModuleMapPath); |
| 3952 | } |
| 3953 | } |
| 3954 | return OutOfDate; |
| 3955 | } |
| 3956 | |
| 3957 | assert(M && M->Name == F.ModuleName && "found module with different name" ); |
| 3958 | |
| 3959 | // Check the primary module map file. |
| 3960 | auto StoredModMap = FileMgr.getFile(F.ModuleMapPath); |
| 3961 | if (!StoredModMap || *StoredModMap != ModMap) { |
| 3962 | assert(ModMap && "found module is missing module map file" ); |
| 3963 | assert((ImportedBy || F.Kind == MK_ImplicitModule) && |
| 3964 | "top-level import should be verified" ); |
| 3965 | bool NotImported = F.Kind == MK_ImplicitModule && !ImportedBy; |
| 3966 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) |
| 3967 | Diag(diag::err_imported_module_modmap_changed) |
| 3968 | << F.ModuleName << (NotImported ? F.FileName : ImportedBy->FileName) |
| 3969 | << ModMap->getName() << F.ModuleMapPath << NotImported; |
| 3970 | return OutOfDate; |
| 3971 | } |
| 3972 | |
| 3973 | llvm::SmallPtrSet<const FileEntry *, 1> AdditionalStoredMaps; |
| 3974 | for (unsigned I = 0, N = Record[Idx++]; I < N; ++I) { |
| 3975 | // FIXME: we should use input files rather than storing names. |
| 3976 | std::string Filename = ReadPath(F, Record, Idx); |
| 3977 | auto F = FileMgr.getFile(Filename, false, false); |
| 3978 | if (!F) { |
| 3979 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) |
| 3980 | Error("could not find file '" + Filename +"' referenced by AST file" ); |
| 3981 | return OutOfDate; |
| 3982 | } |
| 3983 | AdditionalStoredMaps.insert(*F); |
| 3984 | } |
| 3985 | |
| 3986 | // Check any additional module map files (e.g. module.private.modulemap) |
| 3987 | // that are not in the pcm. |
| 3988 | if (auto *AdditionalModuleMaps = Map.getAdditionalModuleMapFiles(M)) { |
| 3989 | for (const FileEntry *ModMap : *AdditionalModuleMaps) { |
| 3990 | // Remove files that match |
| 3991 | // Note: SmallPtrSet::erase is really remove |
| 3992 | if (!AdditionalStoredMaps.erase(ModMap)) { |
| 3993 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) |
| 3994 | Diag(diag::err_module_different_modmap) |
| 3995 | << F.ModuleName << /*new*/0 << ModMap->getName(); |
| 3996 | return OutOfDate; |
| 3997 | } |
| 3998 | } |
| 3999 | } |
| 4000 | |
| 4001 | // Check any additional module map files that are in the pcm, but not |
| 4002 | // found in header search. Cases that match are already removed. |
| 4003 | for (const FileEntry *ModMap : AdditionalStoredMaps) { |
| 4004 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) |
| 4005 | Diag(diag::err_module_different_modmap) |
| 4006 | << F.ModuleName << /*not new*/1 << ModMap->getName(); |
| 4007 | return OutOfDate; |
| 4008 | } |
| 4009 | } |
| 4010 | |
| 4011 | if (Listener) |
| 4012 | Listener->ReadModuleMapFile(F.ModuleMapPath); |
| 4013 | return Success; |
| 4014 | } |
| 4015 | |
| 4016 | /// Move the given method to the back of the global list of methods. |
| 4017 | static void moveMethodToBackOfGlobalList(Sema &S, ObjCMethodDecl *Method) { |
| 4018 | // Find the entry for this selector in the method pool. |
| 4019 | Sema::GlobalMethodPool::iterator Known |
| 4020 | = S.MethodPool.find(Method->getSelector()); |
| 4021 | if (Known == S.MethodPool.end()) |
| 4022 | return; |
| 4023 | |
| 4024 | // Retrieve the appropriate method list. |
| 4025 | ObjCMethodList &Start = Method->isInstanceMethod()? Known->second.first |
| 4026 | : Known->second.second; |
| 4027 | bool Found = false; |
| 4028 | for (ObjCMethodList *List = &Start; List; List = List->getNext()) { |
| 4029 | if (!Found) { |
| 4030 | if (List->getMethod() == Method) { |
| 4031 | Found = true; |
| 4032 | } else { |
| 4033 | // Keep searching. |
| 4034 | continue; |
| 4035 | } |
| 4036 | } |
| 4037 | |
| 4038 | if (List->getNext()) |
| 4039 | List->setMethod(List->getNext()->getMethod()); |
| 4040 | else |
| 4041 | List->setMethod(Method); |
| 4042 | } |
| 4043 | } |
| 4044 | |
| 4045 | void ASTReader::makeNamesVisible(const HiddenNames &Names, Module *Owner) { |
| 4046 | assert(Owner->NameVisibility != Module::Hidden && "nothing to make visible?" ); |
| 4047 | for (Decl *D : Names) { |
| 4048 | bool wasHidden = !D->isUnconditionallyVisible(); |
| 4049 | D->setVisibleDespiteOwningModule(); |
| 4050 | |
| 4051 | if (wasHidden && SemaObj) { |
| 4052 | if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(D)) { |
| 4053 | moveMethodToBackOfGlobalList(*SemaObj, Method); |
| 4054 | } |
| 4055 | } |
| 4056 | } |
| 4057 | } |
| 4058 | |
| 4059 | void ASTReader::makeModuleVisible(Module *Mod, |
| 4060 | Module::NameVisibilityKind NameVisibility, |
| 4061 | SourceLocation ImportLoc) { |
| 4062 | llvm::SmallPtrSet<Module *, 4> Visited; |
| 4063 | SmallVector<Module *, 4> Stack; |
| 4064 | Stack.push_back(Mod); |
| 4065 | while (!Stack.empty()) { |
| 4066 | Mod = Stack.pop_back_val(); |
| 4067 | |
| 4068 | if (NameVisibility <= Mod->NameVisibility) { |
| 4069 | // This module already has this level of visibility (or greater), so |
| 4070 | // there is nothing more to do. |
| 4071 | continue; |
| 4072 | } |
| 4073 | |
| 4074 | if (Mod->isUnimportable()) { |
| 4075 | // Modules that aren't importable cannot be made visible. |
| 4076 | continue; |
| 4077 | } |
| 4078 | |
| 4079 | // Update the module's name visibility. |
| 4080 | Mod->NameVisibility = NameVisibility; |
| 4081 | |
| 4082 | // If we've already deserialized any names from this module, |
| 4083 | // mark them as visible. |
| 4084 | HiddenNamesMapType::iterator Hidden = HiddenNamesMap.find(Mod); |
| 4085 | if (Hidden != HiddenNamesMap.end()) { |
| 4086 | auto HiddenNames = std::move(*Hidden); |
| 4087 | HiddenNamesMap.erase(Hidden); |
| 4088 | makeNamesVisible(HiddenNames.second, HiddenNames.first); |
| 4089 | assert(HiddenNamesMap.find(Mod) == HiddenNamesMap.end() && |
| 4090 | "making names visible added hidden names" ); |
| 4091 | } |
| 4092 | |
| 4093 | // Push any exported modules onto the stack to be marked as visible. |
| 4094 | SmallVector<Module *, 16> Exports; |
| 4095 | Mod->getExportedModules(Exports); |
| 4096 | for (SmallVectorImpl<Module *>::iterator |
| 4097 | I = Exports.begin(), E = Exports.end(); I != E; ++I) { |
| 4098 | Module *Exported = *I; |
| 4099 | if (Visited.insert(Exported).second) |
| 4100 | Stack.push_back(Exported); |
| 4101 | } |
| 4102 | } |
| 4103 | } |
| 4104 | |
| 4105 | /// We've merged the definition \p MergedDef into the existing definition |
| 4106 | /// \p Def. Ensure that \p Def is made visible whenever \p MergedDef is made |
| 4107 | /// visible. |
| 4108 | void ASTReader::mergeDefinitionVisibility(NamedDecl *Def, |
| 4109 | NamedDecl *MergedDef) { |
| 4110 | if (!Def->isUnconditionallyVisible()) { |
| 4111 | // If MergedDef is visible or becomes visible, make the definition visible. |
| 4112 | if (MergedDef->isUnconditionallyVisible()) |
| 4113 | Def->setVisibleDespiteOwningModule(); |
| 4114 | else { |
| 4115 | getContext().mergeDefinitionIntoModule( |
| 4116 | Def, MergedDef->getImportedOwningModule(), |
| 4117 | /*NotifyListeners*/ false); |
| 4118 | PendingMergedDefinitionsToDeduplicate.insert(Def); |
| 4119 | } |
| 4120 | } |
| 4121 | } |
| 4122 | |
| 4123 | bool ASTReader::loadGlobalIndex() { |
| 4124 | if (GlobalIndex) |
| 4125 | return false; |
| 4126 | |
| 4127 | if (TriedLoadingGlobalIndex || !UseGlobalIndex || |
| 4128 | !PP.getLangOpts().Modules) |
| 4129 | return true; |
| 4130 | |
| 4131 | // Try to load the global index. |
| 4132 | TriedLoadingGlobalIndex = true; |
| 4133 | StringRef ModuleCachePath |
| 4134 | = getPreprocessor().getHeaderSearchInfo().getModuleCachePath(); |
| 4135 | std::pair<GlobalModuleIndex *, llvm::Error> Result = |
| 4136 | GlobalModuleIndex::readIndex(ModuleCachePath); |
| 4137 | if (llvm::Error Err = std::move(Result.second)) { |
| 4138 | assert(!Result.first); |
| 4139 | consumeError(std::move(Err)); // FIXME this drops errors on the floor. |
| 4140 | return true; |
| 4141 | } |
| 4142 | |
| 4143 | GlobalIndex.reset(Result.first); |
| 4144 | ModuleMgr.setGlobalIndex(GlobalIndex.get()); |
| 4145 | return false; |
| 4146 | } |
| 4147 | |
| 4148 | bool ASTReader::isGlobalIndexUnavailable() const { |
| 4149 | return PP.getLangOpts().Modules && UseGlobalIndex && |
| 4150 | !hasGlobalIndex() && TriedLoadingGlobalIndex; |
| 4151 | } |
| 4152 | |
| 4153 | static void updateModuleTimestamp(ModuleFile &MF) { |
| 4154 | // Overwrite the timestamp file contents so that file's mtime changes. |
| 4155 | std::string TimestampFilename = MF.getTimestampFilename(); |
| 4156 | std::error_code EC; |
| 4157 | llvm::raw_fd_ostream OS(TimestampFilename, EC, llvm::sys::fs::OF_Text); |
| 4158 | if (EC) |
| 4159 | return; |
| 4160 | OS << "Timestamp file\n" ; |
| 4161 | OS.close(); |
| 4162 | OS.clear_error(); // Avoid triggering a fatal error. |
| 4163 | } |
| 4164 | |
| 4165 | /// Given a cursor at the start of an AST file, scan ahead and drop the |
| 4166 | /// cursor into the start of the given block ID, returning false on success and |
| 4167 | /// true on failure. |
| 4168 | static bool SkipCursorToBlock(BitstreamCursor &Cursor, unsigned BlockID) { |
| 4169 | while (true) { |
| 4170 | Expected<llvm::BitstreamEntry> MaybeEntry = Cursor.advance(); |
| 4171 | if (!MaybeEntry) { |
| 4172 | // FIXME this drops errors on the floor. |
| 4173 | consumeError(MaybeEntry.takeError()); |
| 4174 | return true; |
| 4175 | } |
| 4176 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 4177 | |
| 4178 | switch (Entry.Kind) { |
| 4179 | case llvm::BitstreamEntry::Error: |
| 4180 | case llvm::BitstreamEntry::EndBlock: |
| 4181 | return true; |
| 4182 | |
| 4183 | case llvm::BitstreamEntry::Record: |
| 4184 | // Ignore top-level records. |
| 4185 | if (Expected<unsigned> Skipped = Cursor.skipRecord(Entry.ID)) |
| 4186 | break; |
| 4187 | else { |
| 4188 | // FIXME this drops errors on the floor. |
| 4189 | consumeError(Skipped.takeError()); |
| 4190 | return true; |
| 4191 | } |
| 4192 | |
| 4193 | case llvm::BitstreamEntry::SubBlock: |
| 4194 | if (Entry.ID == BlockID) { |
| 4195 | if (llvm::Error Err = Cursor.EnterSubBlock(BlockID)) { |
| 4196 | // FIXME this drops the error on the floor. |
| 4197 | consumeError(std::move(Err)); |
| 4198 | return true; |
| 4199 | } |
| 4200 | // Found it! |
| 4201 | return false; |
| 4202 | } |
| 4203 | |
| 4204 | if (llvm::Error Err = Cursor.SkipBlock()) { |
| 4205 | // FIXME this drops the error on the floor. |
| 4206 | consumeError(std::move(Err)); |
| 4207 | return true; |
| 4208 | } |
| 4209 | } |
| 4210 | } |
| 4211 | } |
| 4212 | |
| 4213 | ASTReader::ASTReadResult ASTReader::ReadAST(StringRef FileName, |
| 4214 | ModuleKind Type, |
| 4215 | SourceLocation ImportLoc, |
| 4216 | unsigned ClientLoadCapabilities, |
| 4217 | SmallVectorImpl<ImportedSubmodule> *Imported) { |
| 4218 | llvm::SaveAndRestore<SourceLocation> |
| 4219 | SetCurImportLocRAII(CurrentImportLoc, ImportLoc); |
| 4220 | llvm::SaveAndRestore<Optional<ModuleKind>> SetCurModuleKindRAII( |
| 4221 | CurrentDeserializingModuleKind, Type); |
| 4222 | |
| 4223 | // Defer any pending actions until we get to the end of reading the AST file. |
| 4224 | Deserializing AnASTFile(this); |
| 4225 | |
| 4226 | // Bump the generation number. |
| 4227 | unsigned PreviousGeneration = 0; |
| 4228 | if (ContextObj) |
| 4229 | PreviousGeneration = incrementGeneration(*ContextObj); |
| 4230 | |
| 4231 | unsigned NumModules = ModuleMgr.size(); |
| 4232 | auto removeModulesAndReturn = [&](ASTReadResult ReadResult) { |
| 4233 | assert(ReadResult && "expected to return error" ); |
| 4234 | ModuleMgr.removeModules(ModuleMgr.begin() + NumModules, |
| 4235 | PP.getLangOpts().Modules |
| 4236 | ? &PP.getHeaderSearchInfo().getModuleMap() |
| 4237 | : nullptr); |
| 4238 | |
| 4239 | // If we find that any modules are unusable, the global index is going |
| 4240 | // to be out-of-date. Just remove it. |
| 4241 | GlobalIndex.reset(); |
| 4242 | ModuleMgr.setGlobalIndex(nullptr); |
| 4243 | return ReadResult; |
| 4244 | }; |
| 4245 | |
| 4246 | SmallVector<ImportedModule, 4> Loaded; |
| 4247 | switch (ASTReadResult ReadResult = |
| 4248 | ReadASTCore(FileName, Type, ImportLoc, |
| 4249 | /*ImportedBy=*/nullptr, Loaded, 0, 0, |
| 4250 | ASTFileSignature(), ClientLoadCapabilities)) { |
| 4251 | case Failure: |
| 4252 | case Missing: |
| 4253 | case OutOfDate: |
| 4254 | case VersionMismatch: |
| 4255 | case ConfigurationMismatch: |
| 4256 | case HadErrors: |
| 4257 | return removeModulesAndReturn(ReadResult); |
| 4258 | case Success: |
| 4259 | break; |
| 4260 | } |
| 4261 | |
| 4262 | // Here comes stuff that we only do once the entire chain is loaded. |
| 4263 | |
| 4264 | // Load the AST blocks of all of the modules that we loaded. We can still |
| 4265 | // hit errors parsing the ASTs at this point. |
| 4266 | for (ImportedModule &M : Loaded) { |
| 4267 | ModuleFile &F = *M.Mod; |
| 4268 | |
| 4269 | // Read the AST block. |
| 4270 | if (ASTReadResult Result = ReadASTBlock(F, ClientLoadCapabilities)) |
| 4271 | return removeModulesAndReturn(Result); |
| 4272 | |
| 4273 | // The AST block should always have a definition for the main module. |
| 4274 | if (F.isModule() && !F.DidReadTopLevelSubmodule) { |
| 4275 | Error(diag::err_module_file_missing_top_level_submodule, F.FileName); |
| 4276 | return removeModulesAndReturn(Failure); |
| 4277 | } |
| 4278 | |
| 4279 | // Read the extension blocks. |
| 4280 | while (!SkipCursorToBlock(F.Stream, EXTENSION_BLOCK_ID)) { |
| 4281 | if (ASTReadResult Result = ReadExtensionBlock(F)) |
| 4282 | return removeModulesAndReturn(Result); |
| 4283 | } |
| 4284 | |
| 4285 | // Once read, set the ModuleFile bit base offset and update the size in |
| 4286 | // bits of all files we've seen. |
| 4287 | F.GlobalBitOffset = TotalModulesSizeInBits; |
| 4288 | TotalModulesSizeInBits += F.SizeInBits; |
| 4289 | GlobalBitOffsetsMap.insert(std::make_pair(F.GlobalBitOffset, &F)); |
| 4290 | } |
| 4291 | |
| 4292 | // Preload source locations and interesting indentifiers. |
| 4293 | for (ImportedModule &M : Loaded) { |
| 4294 | ModuleFile &F = *M.Mod; |
| 4295 | |
| 4296 | // Preload SLocEntries. |
| 4297 | for (unsigned I = 0, N = F.PreloadSLocEntries.size(); I != N; ++I) { |
| 4298 | int Index = int(F.PreloadSLocEntries[I] - 1) + F.SLocEntryBaseID; |
| 4299 | // Load it through the SourceManager and don't call ReadSLocEntry() |
| 4300 | // directly because the entry may have already been loaded in which case |
| 4301 | // calling ReadSLocEntry() directly would trigger an assertion in |
| 4302 | // SourceManager. |
| 4303 | SourceMgr.getLoadedSLocEntryByID(Index); |
| 4304 | } |
| 4305 | |
| 4306 | // Map the original source file ID into the ID space of the current |
| 4307 | // compilation. |
| 4308 | if (F.OriginalSourceFileID.isValid()) { |
| 4309 | F.OriginalSourceFileID = FileID::get( |
| 4310 | F.SLocEntryBaseID + F.OriginalSourceFileID.getOpaqueValue() - 1); |
| 4311 | } |
| 4312 | |
| 4313 | // Preload all the pending interesting identifiers by marking them out of |
| 4314 | // date. |
| 4315 | for (auto Offset : F.PreloadIdentifierOffsets) { |
| 4316 | const unsigned char *Data = reinterpret_cast<const unsigned char *>( |
| 4317 | F.IdentifierTableData + Offset); |
| 4318 | |
| 4319 | ASTIdentifierLookupTrait Trait(*this, F); |
| 4320 | auto KeyDataLen = Trait.ReadKeyDataLength(Data); |
| 4321 | auto Key = Trait.ReadKey(Data, KeyDataLen.first); |
| 4322 | auto &II = PP.getIdentifierTable().getOwn(Key); |
| 4323 | II.setOutOfDate(true); |
| 4324 | |
| 4325 | // Mark this identifier as being from an AST file so that we can track |
| 4326 | // whether we need to serialize it. |
| 4327 | markIdentifierFromAST(*this, II); |
| 4328 | |
| 4329 | // Associate the ID with the identifier so that the writer can reuse it. |
| 4330 | auto ID = Trait.ReadIdentifierID(Data + KeyDataLen.first); |
| 4331 | SetIdentifierInfo(ID, &II); |
| 4332 | } |
| 4333 | } |
| 4334 | |
| 4335 | // Setup the import locations and notify the module manager that we've |
| 4336 | // committed to these module files. |
| 4337 | for (ImportedModule &M : Loaded) { |
| 4338 | ModuleFile &F = *M.Mod; |
| 4339 | |
| 4340 | ModuleMgr.moduleFileAccepted(&F); |
| 4341 | |
| 4342 | // Set the import location. |
| 4343 | F.DirectImportLoc = ImportLoc; |
| 4344 | // FIXME: We assume that locations from PCH / preamble do not need |
| 4345 | // any translation. |
| 4346 | if (!M.ImportedBy) |
| 4347 | F.ImportLoc = M.ImportLoc; |
| 4348 | else |
| 4349 | F.ImportLoc = TranslateSourceLocation(*M.ImportedBy, M.ImportLoc); |
| 4350 | } |
| 4351 | |
| 4352 | if (!PP.getLangOpts().CPlusPlus || |
| 4353 | (Type != MK_ImplicitModule && Type != MK_ExplicitModule && |
| 4354 | Type != MK_PrebuiltModule)) { |
| 4355 | // Mark all of the identifiers in the identifier table as being out of date, |
| 4356 | // so that various accessors know to check the loaded modules when the |
| 4357 | // identifier is used. |
| 4358 | // |
| 4359 | // For C++ modules, we don't need information on many identifiers (just |
| 4360 | // those that provide macros or are poisoned), so we mark all of |
| 4361 | // the interesting ones via PreloadIdentifierOffsets. |
| 4362 | for (IdentifierTable::iterator Id = PP.getIdentifierTable().begin(), |
| 4363 | IdEnd = PP.getIdentifierTable().end(); |
| 4364 | Id != IdEnd; ++Id) |
| 4365 | Id->second->setOutOfDate(true); |
| 4366 | } |
| 4367 | // Mark selectors as out of date. |
| 4368 | for (auto Sel : SelectorGeneration) |
| 4369 | SelectorOutOfDate[Sel.first] = true; |
| 4370 | |
| 4371 | // Resolve any unresolved module exports. |
| 4372 | for (unsigned I = 0, N = UnresolvedModuleRefs.size(); I != N; ++I) { |
| 4373 | UnresolvedModuleRef &Unresolved = UnresolvedModuleRefs[I]; |
| 4374 | SubmoduleID GlobalID = getGlobalSubmoduleID(*Unresolved.File,Unresolved.ID); |
| 4375 | Module *ResolvedMod = getSubmodule(GlobalID); |
| 4376 | |
| 4377 | switch (Unresolved.Kind) { |
| 4378 | case UnresolvedModuleRef::Conflict: |
| 4379 | if (ResolvedMod) { |
| 4380 | Module::Conflict Conflict; |
| 4381 | Conflict.Other = ResolvedMod; |
| 4382 | Conflict.Message = Unresolved.String.str(); |
| 4383 | Unresolved.Mod->Conflicts.push_back(Conflict); |
| 4384 | } |
| 4385 | continue; |
| 4386 | |
| 4387 | case UnresolvedModuleRef::Import: |
| 4388 | if (ResolvedMod) |
| 4389 | Unresolved.Mod->Imports.insert(ResolvedMod); |
| 4390 | continue; |
| 4391 | |
| 4392 | case UnresolvedModuleRef::Export: |
| 4393 | if (ResolvedMod || Unresolved.IsWildcard) |
| 4394 | Unresolved.Mod->Exports.push_back( |
| 4395 | Module::ExportDecl(ResolvedMod, Unresolved.IsWildcard)); |
| 4396 | continue; |
| 4397 | } |
| 4398 | } |
| 4399 | UnresolvedModuleRefs.clear(); |
| 4400 | |
| 4401 | if (Imported) |
| 4402 | Imported->append(ImportedModules.begin(), |
| 4403 | ImportedModules.end()); |
| 4404 | |
| 4405 | // FIXME: How do we load the 'use'd modules? They may not be submodules. |
| 4406 | // Might be unnecessary as use declarations are only used to build the |
| 4407 | // module itself. |
| 4408 | |
| 4409 | if (ContextObj) |
| 4410 | InitializeContext(); |
| 4411 | |
| 4412 | if (SemaObj) |
| 4413 | UpdateSema(); |
| 4414 | |
| 4415 | if (DeserializationListener) |
| 4416 | DeserializationListener->ReaderInitialized(this); |
| 4417 | |
| 4418 | ModuleFile &PrimaryModule = ModuleMgr.getPrimaryModule(); |
| 4419 | if (PrimaryModule.OriginalSourceFileID.isValid()) { |
| 4420 | // If this AST file is a precompiled preamble, then set the |
| 4421 | // preamble file ID of the source manager to the file source file |
| 4422 | // from which the preamble was built. |
| 4423 | if (Type == MK_Preamble) { |
| 4424 | SourceMgr.setPreambleFileID(PrimaryModule.OriginalSourceFileID); |
| 4425 | } else if (Type == MK_MainFile) { |
| 4426 | SourceMgr.setMainFileID(PrimaryModule.OriginalSourceFileID); |
| 4427 | } |
| 4428 | } |
| 4429 | |
| 4430 | // For any Objective-C class definitions we have already loaded, make sure |
| 4431 | // that we load any additional categories. |
| 4432 | if (ContextObj) { |
| 4433 | for (unsigned I = 0, N = ObjCClassesLoaded.size(); I != N; ++I) { |
| 4434 | loadObjCCategories(ObjCClassesLoaded[I]->getGlobalID(), |
| 4435 | ObjCClassesLoaded[I], |
| 4436 | PreviousGeneration); |
| 4437 | } |
| 4438 | } |
| 4439 | |
| 4440 | if (PP.getHeaderSearchInfo() |
| 4441 | .getHeaderSearchOpts() |
| 4442 | .ModulesValidateOncePerBuildSession) { |
| 4443 | // Now we are certain that the module and all modules it depends on are |
| 4444 | // up to date. Create or update timestamp files for modules that are |
| 4445 | // located in the module cache (not for PCH files that could be anywhere |
| 4446 | // in the filesystem). |
| 4447 | for (unsigned I = 0, N = Loaded.size(); I != N; ++I) { |
| 4448 | ImportedModule &M = Loaded[I]; |
| 4449 | if (M.Mod->Kind == MK_ImplicitModule) { |
| 4450 | updateModuleTimestamp(*M.Mod); |
| 4451 | } |
| 4452 | } |
| 4453 | } |
| 4454 | |
| 4455 | return Success; |
| 4456 | } |
| 4457 | |
| 4458 | static ASTFileSignature readASTFileSignature(StringRef PCH); |
| 4459 | |
| 4460 | /// Whether \p Stream doesn't start with the AST/PCH file magic number 'CPCH'. |
| 4461 | static llvm::Error doesntStartWithASTFileMagic(BitstreamCursor &Stream) { |
| 4462 | // FIXME checking magic headers is done in other places such as |
| 4463 | // SerializedDiagnosticReader and GlobalModuleIndex, but error handling isn't |
| 4464 | // always done the same. Unify it all with a helper. |
| 4465 | if (!Stream.canSkipToPos(4)) |
| 4466 | return llvm::createStringError(std::errc::illegal_byte_sequence, |
| 4467 | "file too small to contain AST file magic" ); |
| 4468 | for (unsigned C : {'C', 'P', 'C', 'H'}) |
| 4469 | if (Expected<llvm::SimpleBitstreamCursor::word_t> Res = Stream.Read(8)) { |
| 4470 | if (Res.get() != C) |
| 4471 | return llvm::createStringError( |
| 4472 | std::errc::illegal_byte_sequence, |
| 4473 | "file doesn't start with AST file magic" ); |
| 4474 | } else |
| 4475 | return Res.takeError(); |
| 4476 | return llvm::Error::success(); |
| 4477 | } |
| 4478 | |
| 4479 | static unsigned moduleKindForDiagnostic(ModuleKind Kind) { |
| 4480 | switch (Kind) { |
| 4481 | case MK_PCH: |
| 4482 | return 0; // PCH |
| 4483 | case MK_ImplicitModule: |
| 4484 | case MK_ExplicitModule: |
| 4485 | case MK_PrebuiltModule: |
| 4486 | return 1; // module |
| 4487 | case MK_MainFile: |
| 4488 | case MK_Preamble: |
| 4489 | return 2; // main source file |
| 4490 | } |
| 4491 | llvm_unreachable("unknown module kind" ); |
| 4492 | } |
| 4493 | |
| 4494 | ASTReader::ASTReadResult |
| 4495 | ASTReader::ReadASTCore(StringRef FileName, |
| 4496 | ModuleKind Type, |
| 4497 | SourceLocation ImportLoc, |
| 4498 | ModuleFile *ImportedBy, |
| 4499 | SmallVectorImpl<ImportedModule> &Loaded, |
| 4500 | off_t ExpectedSize, time_t ExpectedModTime, |
| 4501 | ASTFileSignature ExpectedSignature, |
| 4502 | unsigned ClientLoadCapabilities) { |
| 4503 | ModuleFile *M; |
| 4504 | std::string ErrorStr; |
| 4505 | ModuleManager::AddModuleResult AddResult |
| 4506 | = ModuleMgr.addModule(FileName, Type, ImportLoc, ImportedBy, |
| 4507 | getGeneration(), ExpectedSize, ExpectedModTime, |
| 4508 | ExpectedSignature, readASTFileSignature, |
| 4509 | M, ErrorStr); |
| 4510 | |
| 4511 | switch (AddResult) { |
| 4512 | case ModuleManager::AlreadyLoaded: |
| 4513 | Diag(diag::remark_module_import) |
| 4514 | << M->ModuleName << M->FileName << (ImportedBy ? true : false) |
| 4515 | << (ImportedBy ? StringRef(ImportedBy->ModuleName) : StringRef()); |
| 4516 | return Success; |
| 4517 | |
| 4518 | case ModuleManager::NewlyLoaded: |
| 4519 | // Load module file below. |
| 4520 | break; |
| 4521 | |
| 4522 | case ModuleManager::Missing: |
| 4523 | // The module file was missing; if the client can handle that, return |
| 4524 | // it. |
| 4525 | if (ClientLoadCapabilities & ARR_Missing) |
| 4526 | return Missing; |
| 4527 | |
| 4528 | // Otherwise, return an error. |
| 4529 | Diag(diag::err_ast_file_not_found) |
| 4530 | << moduleKindForDiagnostic(Type) << FileName << !ErrorStr.empty() |
| 4531 | << ErrorStr; |
| 4532 | return Failure; |
| 4533 | |
| 4534 | case ModuleManager::OutOfDate: |
| 4535 | // We couldn't load the module file because it is out-of-date. If the |
| 4536 | // client can handle out-of-date, return it. |
| 4537 | if (ClientLoadCapabilities & ARR_OutOfDate) |
| 4538 | return OutOfDate; |
| 4539 | |
| 4540 | // Otherwise, return an error. |
| 4541 | Diag(diag::err_ast_file_out_of_date) |
| 4542 | << moduleKindForDiagnostic(Type) << FileName << !ErrorStr.empty() |
| 4543 | << ErrorStr; |
| 4544 | return Failure; |
| 4545 | } |
| 4546 | |
| 4547 | assert(M && "Missing module file" ); |
| 4548 | |
| 4549 | bool ShouldFinalizePCM = false; |
| 4550 | auto FinalizeOrDropPCM = llvm::make_scope_exit([&]() { |
| 4551 | auto &MC = getModuleManager().getModuleCache(); |
| 4552 | if (ShouldFinalizePCM) |
| 4553 | MC.finalizePCM(FileName); |
| 4554 | else |
| 4555 | MC.tryToDropPCM(FileName); |
| 4556 | }); |
| 4557 | ModuleFile &F = *M; |
| 4558 | BitstreamCursor &Stream = F.Stream; |
| 4559 | Stream = BitstreamCursor(PCHContainerRdr.ExtractPCH(*F.Buffer)); |
| 4560 | F.SizeInBits = F.Buffer->getBufferSize() * 8; |
| 4561 | |
| 4562 | // Sniff for the signature. |
| 4563 | if (llvm::Error Err = doesntStartWithASTFileMagic(Stream)) { |
| 4564 | Diag(diag::err_ast_file_invalid) |
| 4565 | << moduleKindForDiagnostic(Type) << FileName << std::move(Err); |
| 4566 | return Failure; |
| 4567 | } |
| 4568 | |
| 4569 | // This is used for compatibility with older PCH formats. |
| 4570 | bool HaveReadControlBlock = false; |
| 4571 | while (true) { |
| 4572 | Expected<llvm::BitstreamEntry> MaybeEntry = Stream.advance(); |
| 4573 | if (!MaybeEntry) { |
| 4574 | Error(MaybeEntry.takeError()); |
| 4575 | return Failure; |
| 4576 | } |
| 4577 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 4578 | |
| 4579 | switch (Entry.Kind) { |
| 4580 | case llvm::BitstreamEntry::Error: |
| 4581 | case llvm::BitstreamEntry::Record: |
| 4582 | case llvm::BitstreamEntry::EndBlock: |
| 4583 | Error("invalid record at top-level of AST file" ); |
| 4584 | return Failure; |
| 4585 | |
| 4586 | case llvm::BitstreamEntry::SubBlock: |
| 4587 | break; |
| 4588 | } |
| 4589 | |
| 4590 | switch (Entry.ID) { |
| 4591 | case CONTROL_BLOCK_ID: |
| 4592 | HaveReadControlBlock = true; |
| 4593 | switch (ReadControlBlock(F, Loaded, ImportedBy, ClientLoadCapabilities)) { |
| 4594 | case Success: |
| 4595 | // Check that we didn't try to load a non-module AST file as a module. |
| 4596 | // |
| 4597 | // FIXME: Should we also perform the converse check? Loading a module as |
| 4598 | // a PCH file sort of works, but it's a bit wonky. |
| 4599 | if ((Type == MK_ImplicitModule || Type == MK_ExplicitModule || |
| 4600 | Type == MK_PrebuiltModule) && |
| 4601 | F.ModuleName.empty()) { |
| 4602 | auto Result = (Type == MK_ImplicitModule) ? OutOfDate : Failure; |
| 4603 | if (Result != OutOfDate || |
| 4604 | (ClientLoadCapabilities & ARR_OutOfDate) == 0) |
| 4605 | Diag(diag::err_module_file_not_module) << FileName; |
| 4606 | return Result; |
| 4607 | } |
| 4608 | break; |
| 4609 | |
| 4610 | case Failure: return Failure; |
| 4611 | case Missing: return Missing; |
| 4612 | case OutOfDate: return OutOfDate; |
| 4613 | case VersionMismatch: return VersionMismatch; |
| 4614 | case ConfigurationMismatch: return ConfigurationMismatch; |
| 4615 | case HadErrors: return HadErrors; |
| 4616 | } |
| 4617 | break; |
| 4618 | |
| 4619 | case AST_BLOCK_ID: |
| 4620 | if (!HaveReadControlBlock) { |
| 4621 | if ((ClientLoadCapabilities & ARR_VersionMismatch) == 0) |
| 4622 | Diag(diag::err_pch_version_too_old); |
| 4623 | return VersionMismatch; |
| 4624 | } |
| 4625 | |
| 4626 | // Record that we've loaded this module. |
| 4627 | Loaded.push_back(ImportedModule(M, ImportedBy, ImportLoc)); |
| 4628 | ShouldFinalizePCM = true; |
| 4629 | return Success; |
| 4630 | |
| 4631 | case UNHASHED_CONTROL_BLOCK_ID: |
| 4632 | // This block is handled using look-ahead during ReadControlBlock. We |
| 4633 | // shouldn't get here! |
| 4634 | Error("malformed block record in AST file" ); |
| 4635 | return Failure; |
| 4636 | |
| 4637 | default: |
| 4638 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 4639 | Error(std::move(Err)); |
| 4640 | return Failure; |
| 4641 | } |
| 4642 | break; |
| 4643 | } |
| 4644 | } |
| 4645 | |
| 4646 | llvm_unreachable("unexpected break; expected return" ); |
| 4647 | } |
| 4648 | |
| 4649 | ASTReader::ASTReadResult |
| 4650 | ASTReader::readUnhashedControlBlock(ModuleFile &F, bool WasImportedBy, |
| 4651 | unsigned ClientLoadCapabilities) { |
| 4652 | const HeaderSearchOptions &HSOpts = |
| 4653 | PP.getHeaderSearchInfo().getHeaderSearchOpts(); |
| 4654 | bool AllowCompatibleConfigurationMismatch = |
| 4655 | F.Kind == MK_ExplicitModule || F.Kind == MK_PrebuiltModule; |
| 4656 | bool DisableValidation = shouldDisableValidationForFile(F); |
| 4657 | |
| 4658 | ASTReadResult Result = readUnhashedControlBlockImpl( |
| 4659 | &F, F.Data, ClientLoadCapabilities, AllowCompatibleConfigurationMismatch, |
| 4660 | Listener.get(), |
| 4661 | WasImportedBy ? false : HSOpts.ModulesValidateDiagnosticOptions); |
| 4662 | |
| 4663 | // If F was directly imported by another module, it's implicitly validated by |
| 4664 | // the importing module. |
| 4665 | if (DisableValidation || WasImportedBy || |
| 4666 | (AllowConfigurationMismatch && Result == ConfigurationMismatch)) |
| 4667 | return Success; |
| 4668 | |
| 4669 | if (Result == Failure) { |
| 4670 | Error("malformed block record in AST file" ); |
| 4671 | return Failure; |
| 4672 | } |
| 4673 | |
| 4674 | if (Result == OutOfDate && F.Kind == MK_ImplicitModule) { |
| 4675 | // If this module has already been finalized in the ModuleCache, we're stuck |
| 4676 | // with it; we can only load a single version of each module. |
| 4677 | // |
| 4678 | // This can happen when a module is imported in two contexts: in one, as a |
| 4679 | // user module; in another, as a system module (due to an import from |
| 4680 | // another module marked with the [system] flag). It usually indicates a |
| 4681 | // bug in the module map: this module should also be marked with [system]. |
| 4682 | // |
| 4683 | // If -Wno-system-headers (the default), and the first import is as a |
| 4684 | // system module, then validation will fail during the as-user import, |
| 4685 | // since -Werror flags won't have been validated. However, it's reasonable |
| 4686 | // to treat this consistently as a system module. |
| 4687 | // |
| 4688 | // If -Wsystem-headers, the PCM on disk was built with |
| 4689 | // -Wno-system-headers, and the first import is as a user module, then |
| 4690 | // validation will fail during the as-system import since the PCM on disk |
| 4691 | // doesn't guarantee that -Werror was respected. However, the -Werror |
| 4692 | // flags were checked during the initial as-user import. |
| 4693 | if (getModuleManager().getModuleCache().isPCMFinal(F.FileName)) { |
| 4694 | Diag(diag::warn_module_system_bit_conflict) << F.FileName; |
| 4695 | return Success; |
| 4696 | } |
| 4697 | } |
| 4698 | |
| 4699 | return Result; |
| 4700 | } |
| 4701 | |
| 4702 | ASTReader::ASTReadResult ASTReader::readUnhashedControlBlockImpl( |
| 4703 | ModuleFile *F, llvm::StringRef StreamData, unsigned ClientLoadCapabilities, |
| 4704 | bool AllowCompatibleConfigurationMismatch, ASTReaderListener *Listener, |
| 4705 | bool ValidateDiagnosticOptions) { |
| 4706 | // Initialize a stream. |
| 4707 | BitstreamCursor Stream(StreamData); |
| 4708 | |
| 4709 | // Sniff for the signature. |
| 4710 | if (llvm::Error Err = doesntStartWithASTFileMagic(Stream)) { |
| 4711 | // FIXME this drops the error on the floor. |
| 4712 | consumeError(std::move(Err)); |
| 4713 | return Failure; |
| 4714 | } |
| 4715 | |
| 4716 | // Scan for the UNHASHED_CONTROL_BLOCK_ID block. |
| 4717 | if (SkipCursorToBlock(Stream, UNHASHED_CONTROL_BLOCK_ID)) |
| 4718 | return Failure; |
| 4719 | |
| 4720 | // Read all of the records in the options block. |
| 4721 | RecordData Record; |
| 4722 | ASTReadResult Result = Success; |
| 4723 | while (true) { |
| 4724 | Expected<llvm::BitstreamEntry> MaybeEntry = Stream.advance(); |
| 4725 | if (!MaybeEntry) { |
| 4726 | // FIXME this drops the error on the floor. |
| 4727 | consumeError(MaybeEntry.takeError()); |
| 4728 | return Failure; |
| 4729 | } |
| 4730 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 4731 | |
| 4732 | switch (Entry.Kind) { |
| 4733 | case llvm::BitstreamEntry::Error: |
| 4734 | case llvm::BitstreamEntry::SubBlock: |
| 4735 | return Failure; |
| 4736 | |
| 4737 | case llvm::BitstreamEntry::EndBlock: |
| 4738 | return Result; |
| 4739 | |
| 4740 | case llvm::BitstreamEntry::Record: |
| 4741 | // The interesting case. |
| 4742 | break; |
| 4743 | } |
| 4744 | |
| 4745 | // Read and process a record. |
| 4746 | Record.clear(); |
| 4747 | Expected<unsigned> MaybeRecordType = Stream.readRecord(Entry.ID, Record); |
| 4748 | if (!MaybeRecordType) { |
| 4749 | // FIXME this drops the error. |
| 4750 | return Failure; |
| 4751 | } |
| 4752 | switch ((UnhashedControlBlockRecordTypes)MaybeRecordType.get()) { |
| 4753 | case SIGNATURE: |
| 4754 | if (F) |
| 4755 | F->Signature = ASTFileSignature::create(Record.begin(), Record.end()); |
| 4756 | break; |
| 4757 | case AST_BLOCK_HASH: |
| 4758 | if (F) |
| 4759 | F->ASTBlockHash = |
| 4760 | ASTFileSignature::create(Record.begin(), Record.end()); |
| 4761 | break; |
| 4762 | case DIAGNOSTIC_OPTIONS: { |
| 4763 | bool Complain = (ClientLoadCapabilities & ARR_OutOfDate) == 0; |
| 4764 | if (Listener && ValidateDiagnosticOptions && |
| 4765 | !AllowCompatibleConfigurationMismatch && |
| 4766 | ParseDiagnosticOptions(Record, Complain, *Listener)) |
| 4767 | Result = OutOfDate; // Don't return early. Read the signature. |
| 4768 | break; |
| 4769 | } |
| 4770 | case DIAG_PRAGMA_MAPPINGS: |
| 4771 | if (!F) |
| 4772 | break; |
| 4773 | if (F->PragmaDiagMappings.empty()) |
| 4774 | F->PragmaDiagMappings.swap(Record); |
| 4775 | else |
| 4776 | F->PragmaDiagMappings.insert(F->PragmaDiagMappings.end(), |
| 4777 | Record.begin(), Record.end()); |
| 4778 | break; |
| 4779 | } |
| 4780 | } |
| 4781 | } |
| 4782 | |
| 4783 | /// Parse a record and blob containing module file extension metadata. |
| 4784 | static bool parseModuleFileExtensionMetadata( |
| 4785 | const SmallVectorImpl<uint64_t> &Record, |
| 4786 | StringRef Blob, |
| 4787 | ModuleFileExtensionMetadata &Metadata) { |
| 4788 | if (Record.size() < 4) return true; |
| 4789 | |
| 4790 | Metadata.MajorVersion = Record[0]; |
| 4791 | Metadata.MinorVersion = Record[1]; |
| 4792 | |
| 4793 | unsigned BlockNameLen = Record[2]; |
| 4794 | unsigned UserInfoLen = Record[3]; |
| 4795 | |
| 4796 | if (BlockNameLen + UserInfoLen > Blob.size()) return true; |
| 4797 | |
| 4798 | Metadata.BlockName = std::string(Blob.data(), Blob.data() + BlockNameLen); |
| 4799 | Metadata.UserInfo = std::string(Blob.data() + BlockNameLen, |
| 4800 | Blob.data() + BlockNameLen + UserInfoLen); |
| 4801 | return false; |
| 4802 | } |
| 4803 | |
| 4804 | ASTReader::ASTReadResult ASTReader::ReadExtensionBlock(ModuleFile &F) { |
| 4805 | BitstreamCursor &Stream = F.Stream; |
| 4806 | |
| 4807 | RecordData Record; |
| 4808 | while (true) { |
| 4809 | Expected<llvm::BitstreamEntry> MaybeEntry = Stream.advance(); |
| 4810 | if (!MaybeEntry) { |
| 4811 | Error(MaybeEntry.takeError()); |
| 4812 | return Failure; |
| 4813 | } |
| 4814 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 4815 | |
| 4816 | switch (Entry.Kind) { |
| 4817 | case llvm::BitstreamEntry::SubBlock: |
| 4818 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 4819 | Error(std::move(Err)); |
| 4820 | return Failure; |
| 4821 | } |
| 4822 | continue; |
| 4823 | |
| 4824 | case llvm::BitstreamEntry::EndBlock: |
| 4825 | return Success; |
| 4826 | |
| 4827 | case llvm::BitstreamEntry::Error: |
| 4828 | return HadErrors; |
| 4829 | |
| 4830 | case llvm::BitstreamEntry::Record: |
| 4831 | break; |
| 4832 | } |
| 4833 | |
| 4834 | Record.clear(); |
| 4835 | StringRef Blob; |
| 4836 | Expected<unsigned> MaybeRecCode = |
| 4837 | Stream.readRecord(Entry.ID, Record, &Blob); |
| 4838 | if (!MaybeRecCode) { |
| 4839 | Error(MaybeRecCode.takeError()); |
| 4840 | return Failure; |
| 4841 | } |
| 4842 | switch (MaybeRecCode.get()) { |
| 4843 | case EXTENSION_METADATA: { |
| 4844 | ModuleFileExtensionMetadata Metadata; |
| 4845 | if (parseModuleFileExtensionMetadata(Record, Blob, Metadata)) { |
| 4846 | Error("malformed EXTENSION_METADATA in AST file" ); |
| 4847 | return Failure; |
| 4848 | } |
| 4849 | |
| 4850 | // Find a module file extension with this block name. |
| 4851 | auto Known = ModuleFileExtensions.find(Metadata.BlockName); |
| 4852 | if (Known == ModuleFileExtensions.end()) break; |
| 4853 | |
| 4854 | // Form a reader. |
| 4855 | if (auto Reader = Known->second->createExtensionReader(Metadata, *this, |
| 4856 | F, Stream)) { |
| 4857 | F.ExtensionReaders.push_back(std::move(Reader)); |
| 4858 | } |
| 4859 | |
| 4860 | break; |
| 4861 | } |
| 4862 | } |
| 4863 | } |
| 4864 | |
| 4865 | return Success; |
| 4866 | } |
| 4867 | |
| 4868 | void ASTReader::InitializeContext() { |
| 4869 | assert(ContextObj && "no context to initialize" ); |
| 4870 | ASTContext &Context = *ContextObj; |
| 4871 | |
| 4872 | // If there's a listener, notify them that we "read" the translation unit. |
| 4873 | if (DeserializationListener) |
| 4874 | DeserializationListener->DeclRead(PREDEF_DECL_TRANSLATION_UNIT_ID, |
| 4875 | Context.getTranslationUnitDecl()); |
| 4876 | |
| 4877 | // FIXME: Find a better way to deal with collisions between these |
| 4878 | // built-in types. Right now, we just ignore the problem. |
| 4879 | |
| 4880 | // Load the special types. |
| 4881 | if (SpecialTypes.size() >= NumSpecialTypeIDs) { |
| 4882 | if (unsigned String = SpecialTypes[SPECIAL_TYPE_CF_CONSTANT_STRING]) { |
| 4883 | if (!Context.CFConstantStringTypeDecl) |
| 4884 | Context.setCFConstantStringType(GetType(String)); |
| 4885 | } |
| 4886 | |
| 4887 | if (unsigned File = SpecialTypes[SPECIAL_TYPE_FILE]) { |
| 4888 | QualType FileType = GetType(File); |
| 4889 | if (FileType.isNull()) { |
| 4890 | Error("FILE type is NULL" ); |
| 4891 | return; |
| 4892 | } |
| 4893 | |
| 4894 | if (!Context.FILEDecl) { |
| 4895 | if (const TypedefType *Typedef = FileType->getAs<TypedefType>()) |
| 4896 | Context.setFILEDecl(Typedef->getDecl()); |
| 4897 | else { |
| 4898 | const TagType *Tag = FileType->getAs<TagType>(); |
| 4899 | if (!Tag) { |
| 4900 | Error("Invalid FILE type in AST file" ); |
| 4901 | return; |
| 4902 | } |
| 4903 | Context.setFILEDecl(Tag->getDecl()); |
| 4904 | } |
| 4905 | } |
| 4906 | } |
| 4907 | |
| 4908 | if (unsigned Jmp_buf = SpecialTypes[SPECIAL_TYPE_JMP_BUF]) { |
| 4909 | QualType Jmp_bufType = GetType(Jmp_buf); |
| 4910 | if (Jmp_bufType.isNull()) { |
| 4911 | Error("jmp_buf type is NULL" ); |
| 4912 | return; |
| 4913 | } |
| 4914 | |
| 4915 | if (!Context.jmp_bufDecl) { |
| 4916 | if (const TypedefType *Typedef = Jmp_bufType->getAs<TypedefType>()) |
| 4917 | Context.setjmp_bufDecl(Typedef->getDecl()); |
| 4918 | else { |
| 4919 | const TagType *Tag = Jmp_bufType->getAs<TagType>(); |
| 4920 | if (!Tag) { |
| 4921 | Error("Invalid jmp_buf type in AST file" ); |
| 4922 | return; |
| 4923 | } |
| 4924 | Context.setjmp_bufDecl(Tag->getDecl()); |
| 4925 | } |
| 4926 | } |
| 4927 | } |
| 4928 | |
| 4929 | if (unsigned Sigjmp_buf = SpecialTypes[SPECIAL_TYPE_SIGJMP_BUF]) { |
| 4930 | QualType Sigjmp_bufType = GetType(Sigjmp_buf); |
| 4931 | if (Sigjmp_bufType.isNull()) { |
| 4932 | Error("sigjmp_buf type is NULL" ); |
| 4933 | return; |
| 4934 | } |
| 4935 | |
| 4936 | if (!Context.sigjmp_bufDecl) { |
| 4937 | if (const TypedefType *Typedef = Sigjmp_bufType->getAs<TypedefType>()) |
| 4938 | Context.setsigjmp_bufDecl(Typedef->getDecl()); |
| 4939 | else { |
| 4940 | const TagType *Tag = Sigjmp_bufType->getAs<TagType>(); |
| 4941 | assert(Tag && "Invalid sigjmp_buf type in AST file" ); |
| 4942 | Context.setsigjmp_bufDecl(Tag->getDecl()); |
| 4943 | } |
| 4944 | } |
| 4945 | } |
| 4946 | |
| 4947 | if (unsigned ObjCIdRedef |
| 4948 | = SpecialTypes[SPECIAL_TYPE_OBJC_ID_REDEFINITION]) { |
| 4949 | if (Context.ObjCIdRedefinitionType.isNull()) |
| 4950 | Context.ObjCIdRedefinitionType = GetType(ObjCIdRedef); |
| 4951 | } |
| 4952 | |
| 4953 | if (unsigned ObjCClassRedef |
| 4954 | = SpecialTypes[SPECIAL_TYPE_OBJC_CLASS_REDEFINITION]) { |
| 4955 | if (Context.ObjCClassRedefinitionType.isNull()) |
| 4956 | Context.ObjCClassRedefinitionType = GetType(ObjCClassRedef); |
| 4957 | } |
| 4958 | |
| 4959 | if (unsigned ObjCSelRedef |
| 4960 | = SpecialTypes[SPECIAL_TYPE_OBJC_SEL_REDEFINITION]) { |
| 4961 | if (Context.ObjCSelRedefinitionType.isNull()) |
| 4962 | Context.ObjCSelRedefinitionType = GetType(ObjCSelRedef); |
| 4963 | } |
| 4964 | |
| 4965 | if (unsigned Ucontext_t = SpecialTypes[SPECIAL_TYPE_UCONTEXT_T]) { |
| 4966 | QualType Ucontext_tType = GetType(Ucontext_t); |
| 4967 | if (Ucontext_tType.isNull()) { |
| 4968 | Error("ucontext_t type is NULL" ); |
| 4969 | return; |
| 4970 | } |
| 4971 | |
| 4972 | if (!Context.ucontext_tDecl) { |
| 4973 | if (const TypedefType *Typedef = Ucontext_tType->getAs<TypedefType>()) |
| 4974 | Context.setucontext_tDecl(Typedef->getDecl()); |
| 4975 | else { |
| 4976 | const TagType *Tag = Ucontext_tType->getAs<TagType>(); |
| 4977 | assert(Tag && "Invalid ucontext_t type in AST file" ); |
| 4978 | Context.setucontext_tDecl(Tag->getDecl()); |
| 4979 | } |
| 4980 | } |
| 4981 | } |
| 4982 | } |
| 4983 | |
| 4984 | ReadPragmaDiagnosticMappings(Context.getDiagnostics()); |
| 4985 | |
| 4986 | // If there were any CUDA special declarations, deserialize them. |
| 4987 | if (!CUDASpecialDeclRefs.empty()) { |
| 4988 | assert(CUDASpecialDeclRefs.size() == 1 && "More decl refs than expected!" ); |
| 4989 | Context.setcudaConfigureCallDecl( |
| 4990 | cast<FunctionDecl>(GetDecl(CUDASpecialDeclRefs[0]))); |
| 4991 | } |
| 4992 | |
| 4993 | // Re-export any modules that were imported by a non-module AST file. |
| 4994 | // FIXME: This does not make macro-only imports visible again. |
| 4995 | for (auto &Import : ImportedModules) { |
| 4996 | if (Module *Imported = getSubmodule(Import.ID)) { |
| 4997 | makeModuleVisible(Imported, Module::AllVisible, |
| 4998 | /*ImportLoc=*/Import.ImportLoc); |
| 4999 | if (Import.ImportLoc.isValid()) |
| 5000 | PP.makeModuleVisible(Imported, Import.ImportLoc); |
| 5001 | // This updates visibility for Preprocessor only. For Sema, which can be |
| 5002 | // nullptr here, we do the same later, in UpdateSema(). |
| 5003 | } |
| 5004 | } |
| 5005 | } |
| 5006 | |
| 5007 | void ASTReader::finalizeForWriting() { |
| 5008 | // Nothing to do for now. |
| 5009 | } |
| 5010 | |
| 5011 | /// Reads and return the signature record from \p PCH's control block, or |
| 5012 | /// else returns 0. |
| 5013 | static ASTFileSignature readASTFileSignature(StringRef PCH) { |
| 5014 | BitstreamCursor Stream(PCH); |
| 5015 | if (llvm::Error Err = doesntStartWithASTFileMagic(Stream)) { |
| 5016 | // FIXME this drops the error on the floor. |
| 5017 | consumeError(std::move(Err)); |
| 5018 | return ASTFileSignature(); |
| 5019 | } |
| 5020 | |
| 5021 | // Scan for the UNHASHED_CONTROL_BLOCK_ID block. |
| 5022 | if (SkipCursorToBlock(Stream, UNHASHED_CONTROL_BLOCK_ID)) |
| 5023 | return ASTFileSignature(); |
| 5024 | |
| 5025 | // Scan for SIGNATURE inside the diagnostic options block. |
| 5026 | ASTReader::RecordData Record; |
| 5027 | while (true) { |
| 5028 | Expected<llvm::BitstreamEntry> MaybeEntry = |
| 5029 | Stream.advanceSkippingSubblocks(); |
| 5030 | if (!MaybeEntry) { |
| 5031 | // FIXME this drops the error on the floor. |
| 5032 | consumeError(MaybeEntry.takeError()); |
| 5033 | return ASTFileSignature(); |
| 5034 | } |
| 5035 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 5036 | |
| 5037 | if (Entry.Kind != llvm::BitstreamEntry::Record) |
| 5038 | return ASTFileSignature(); |
| 5039 | |
| 5040 | Record.clear(); |
| 5041 | StringRef Blob; |
| 5042 | Expected<unsigned> MaybeRecord = Stream.readRecord(Entry.ID, Record, &Blob); |
| 5043 | if (!MaybeRecord) { |
| 5044 | // FIXME this drops the error on the floor. |
| 5045 | consumeError(MaybeRecord.takeError()); |
| 5046 | return ASTFileSignature(); |
| 5047 | } |
| 5048 | if (SIGNATURE == MaybeRecord.get()) |
| 5049 | return ASTFileSignature::create(Record.begin(), |
| 5050 | Record.begin() + ASTFileSignature::size); |
| 5051 | } |
| 5052 | } |
| 5053 | |
| 5054 | /// Retrieve the name of the original source file name |
| 5055 | /// directly from the AST file, without actually loading the AST |
| 5056 | /// file. |
| 5057 | std::string ASTReader::getOriginalSourceFile( |
| 5058 | const std::string &ASTFileName, FileManager &FileMgr, |
| 5059 | const PCHContainerReader &PCHContainerRdr, DiagnosticsEngine &Diags) { |
| 5060 | // Open the AST file. |
| 5061 | auto Buffer = FileMgr.getBufferForFile(ASTFileName); |
| 5062 | if (!Buffer) { |
| 5063 | Diags.Report(diag::err_fe_unable_to_read_pch_file) |
| 5064 | << ASTFileName << Buffer.getError().message(); |
| 5065 | return std::string(); |
| 5066 | } |
| 5067 | |
| 5068 | // Initialize the stream |
| 5069 | BitstreamCursor Stream(PCHContainerRdr.ExtractPCH(**Buffer)); |
| 5070 | |
| 5071 | // Sniff for the signature. |
| 5072 | if (llvm::Error Err = doesntStartWithASTFileMagic(Stream)) { |
| 5073 | Diags.Report(diag::err_fe_not_a_pch_file) << ASTFileName << std::move(Err); |
| 5074 | return std::string(); |
| 5075 | } |
| 5076 | |
| 5077 | // Scan for the CONTROL_BLOCK_ID block. |
| 5078 | if (SkipCursorToBlock(Stream, CONTROL_BLOCK_ID)) { |
| 5079 | Diags.Report(diag::err_fe_pch_malformed_block) << ASTFileName; |
| 5080 | return std::string(); |
| 5081 | } |
| 5082 | |
| 5083 | // Scan for ORIGINAL_FILE inside the control block. |
| 5084 | RecordData Record; |
| 5085 | while (true) { |
| 5086 | Expected<llvm::BitstreamEntry> MaybeEntry = |
| 5087 | Stream.advanceSkippingSubblocks(); |
| 5088 | if (!MaybeEntry) { |
| 5089 | // FIXME this drops errors on the floor. |
| 5090 | consumeError(MaybeEntry.takeError()); |
| 5091 | return std::string(); |
| 5092 | } |
| 5093 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 5094 | |
| 5095 | if (Entry.Kind == llvm::BitstreamEntry::EndBlock) |
| 5096 | return std::string(); |
| 5097 | |
| 5098 | if (Entry.Kind != llvm::BitstreamEntry::Record) { |
| 5099 | Diags.Report(diag::err_fe_pch_malformed_block) << ASTFileName; |
| 5100 | return std::string(); |
| 5101 | } |
| 5102 | |
| 5103 | Record.clear(); |
| 5104 | StringRef Blob; |
| 5105 | Expected<unsigned> MaybeRecord = Stream.readRecord(Entry.ID, Record, &Blob); |
| 5106 | if (!MaybeRecord) { |
| 5107 | // FIXME this drops the errors on the floor. |
| 5108 | consumeError(MaybeRecord.takeError()); |
| 5109 | return std::string(); |
| 5110 | } |
| 5111 | if (ORIGINAL_FILE == MaybeRecord.get()) |
| 5112 | return Blob.str(); |
| 5113 | } |
| 5114 | } |
| 5115 | |
| 5116 | namespace { |
| 5117 | |
| 5118 | class SimplePCHValidator : public ASTReaderListener { |
| 5119 | const LangOptions &ExistingLangOpts; |
| 5120 | const TargetOptions &ExistingTargetOpts; |
| 5121 | const PreprocessorOptions &ExistingPPOpts; |
| 5122 | std::string ExistingModuleCachePath; |
| 5123 | FileManager &FileMgr; |
| 5124 | |
| 5125 | public: |
| 5126 | SimplePCHValidator(const LangOptions &ExistingLangOpts, |
| 5127 | const TargetOptions &ExistingTargetOpts, |
| 5128 | const PreprocessorOptions &ExistingPPOpts, |
| 5129 | StringRef ExistingModuleCachePath, FileManager &FileMgr) |
| 5130 | : ExistingLangOpts(ExistingLangOpts), |
| 5131 | ExistingTargetOpts(ExistingTargetOpts), |
| 5132 | ExistingPPOpts(ExistingPPOpts), |
| 5133 | ExistingModuleCachePath(ExistingModuleCachePath), FileMgr(FileMgr) {} |
| 5134 | |
| 5135 | bool ReadLanguageOptions(const LangOptions &LangOpts, bool Complain, |
| 5136 | bool AllowCompatibleDifferences) override { |
| 5137 | return checkLanguageOptions(ExistingLangOpts, LangOpts, nullptr, |
| 5138 | AllowCompatibleDifferences); |
| 5139 | } |
| 5140 | |
| 5141 | bool ReadTargetOptions(const TargetOptions &TargetOpts, bool Complain, |
| 5142 | bool AllowCompatibleDifferences) override { |
| 5143 | return checkTargetOptions(ExistingTargetOpts, TargetOpts, nullptr, |
| 5144 | AllowCompatibleDifferences); |
| 5145 | } |
| 5146 | |
| 5147 | bool (const HeaderSearchOptions &HSOpts, |
| 5148 | StringRef SpecificModuleCachePath, |
| 5149 | bool Complain) override { |
| 5150 | return checkHeaderSearchOptions(HSOpts, SpecificModuleCachePath, |
| 5151 | ExistingModuleCachePath, |
| 5152 | nullptr, ExistingLangOpts); |
| 5153 | } |
| 5154 | |
| 5155 | bool ReadPreprocessorOptions(const PreprocessorOptions &PPOpts, |
| 5156 | bool Complain, |
| 5157 | std::string &SuggestedPredefines) override { |
| 5158 | return checkPreprocessorOptions(ExistingPPOpts, PPOpts, nullptr, FileMgr, |
| 5159 | SuggestedPredefines, ExistingLangOpts); |
| 5160 | } |
| 5161 | }; |
| 5162 | |
| 5163 | } // namespace |
| 5164 | |
| 5165 | bool ASTReader::readASTFileControlBlock( |
| 5166 | StringRef Filename, FileManager &FileMgr, |
| 5167 | const PCHContainerReader &PCHContainerRdr, |
| 5168 | bool FindModuleFileExtensions, |
| 5169 | ASTReaderListener &Listener, bool ValidateDiagnosticOptions) { |
| 5170 | // Open the AST file. |
| 5171 | // FIXME: This allows use of the VFS; we do not allow use of the |
| 5172 | // VFS when actually loading a module. |
| 5173 | auto Buffer = FileMgr.getBufferForFile(Filename); |
| 5174 | if (!Buffer) { |
| 5175 | return true; |
| 5176 | } |
| 5177 | |
| 5178 | // Initialize the stream |
| 5179 | StringRef Bytes = PCHContainerRdr.ExtractPCH(**Buffer); |
| 5180 | BitstreamCursor Stream(Bytes); |
| 5181 | |
| 5182 | // Sniff for the signature. |
| 5183 | if (llvm::Error Err = doesntStartWithASTFileMagic(Stream)) { |
| 5184 | consumeError(std::move(Err)); // FIXME this drops errors on the floor. |
| 5185 | return true; |
| 5186 | } |
| 5187 | |
| 5188 | // Scan for the CONTROL_BLOCK_ID block. |
| 5189 | if (SkipCursorToBlock(Stream, CONTROL_BLOCK_ID)) |
| 5190 | return true; |
| 5191 | |
| 5192 | bool NeedsInputFiles = Listener.needsInputFileVisitation(); |
| 5193 | bool NeedsSystemInputFiles = Listener.needsSystemInputFileVisitation(); |
| 5194 | bool NeedsImports = Listener.needsImportVisitation(); |
| 5195 | BitstreamCursor InputFilesCursor; |
| 5196 | |
| 5197 | RecordData Record; |
| 5198 | std::string ModuleDir; |
| 5199 | bool DoneWithControlBlock = false; |
| 5200 | while (!DoneWithControlBlock) { |
| 5201 | Expected<llvm::BitstreamEntry> MaybeEntry = Stream.advance(); |
| 5202 | if (!MaybeEntry) { |
| 5203 | // FIXME this drops the error on the floor. |
| 5204 | consumeError(MaybeEntry.takeError()); |
| 5205 | return true; |
| 5206 | } |
| 5207 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 5208 | |
| 5209 | switch (Entry.Kind) { |
| 5210 | case llvm::BitstreamEntry::SubBlock: { |
| 5211 | switch (Entry.ID) { |
| 5212 | case OPTIONS_BLOCK_ID: { |
| 5213 | std::string IgnoredSuggestedPredefines; |
| 5214 | if (ReadOptionsBlock(Stream, ARR_ConfigurationMismatch | ARR_OutOfDate, |
| 5215 | /*AllowCompatibleConfigurationMismatch*/ false, |
| 5216 | Listener, IgnoredSuggestedPredefines) != Success) |
| 5217 | return true; |
| 5218 | break; |
| 5219 | } |
| 5220 | |
| 5221 | case INPUT_FILES_BLOCK_ID: |
| 5222 | InputFilesCursor = Stream; |
| 5223 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 5224 | // FIXME this drops the error on the floor. |
| 5225 | consumeError(std::move(Err)); |
| 5226 | return true; |
| 5227 | } |
| 5228 | if (NeedsInputFiles && |
| 5229 | ReadBlockAbbrevs(InputFilesCursor, INPUT_FILES_BLOCK_ID)) |
| 5230 | return true; |
| 5231 | break; |
| 5232 | |
| 5233 | default: |
| 5234 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 5235 | // FIXME this drops the error on the floor. |
| 5236 | consumeError(std::move(Err)); |
| 5237 | return true; |
| 5238 | } |
| 5239 | break; |
| 5240 | } |
| 5241 | |
| 5242 | continue; |
| 5243 | } |
| 5244 | |
| 5245 | case llvm::BitstreamEntry::EndBlock: |
| 5246 | DoneWithControlBlock = true; |
| 5247 | break; |
| 5248 | |
| 5249 | case llvm::BitstreamEntry::Error: |
| 5250 | return true; |
| 5251 | |
| 5252 | case llvm::BitstreamEntry::Record: |
| 5253 | break; |
| 5254 | } |
| 5255 | |
| 5256 | if (DoneWithControlBlock) break; |
| 5257 | |
| 5258 | Record.clear(); |
| 5259 | StringRef Blob; |
| 5260 | Expected<unsigned> MaybeRecCode = |
| 5261 | Stream.readRecord(Entry.ID, Record, &Blob); |
| 5262 | if (!MaybeRecCode) { |
| 5263 | // FIXME this drops the error. |
| 5264 | return Failure; |
| 5265 | } |
| 5266 | switch ((ControlRecordTypes)MaybeRecCode.get()) { |
| 5267 | case METADATA: |
| 5268 | if (Record[0] != VERSION_MAJOR) |
| 5269 | return true; |
| 5270 | if (Listener.ReadFullVersionInformation(Blob)) |
| 5271 | return true; |
| 5272 | break; |
| 5273 | case MODULE_NAME: |
| 5274 | Listener.ReadModuleName(Blob); |
| 5275 | break; |
| 5276 | case MODULE_DIRECTORY: |
| 5277 | ModuleDir = std::string(Blob); |
| 5278 | break; |
| 5279 | case MODULE_MAP_FILE: { |
| 5280 | unsigned Idx = 0; |
| 5281 | auto Path = ReadString(Record, Idx); |
| 5282 | ResolveImportedPath(Path, ModuleDir); |
| 5283 | Listener.ReadModuleMapFile(Path); |
| 5284 | break; |
| 5285 | } |
| 5286 | case INPUT_FILE_OFFSETS: { |
| 5287 | if (!NeedsInputFiles) |
| 5288 | break; |
| 5289 | |
| 5290 | unsigned NumInputFiles = Record[0]; |
| 5291 | unsigned NumUserFiles = Record[1]; |
| 5292 | const llvm::support::unaligned_uint64_t *InputFileOffs = |
| 5293 | (const llvm::support::unaligned_uint64_t *)Blob.data(); |
| 5294 | for (unsigned I = 0; I != NumInputFiles; ++I) { |
| 5295 | // Go find this input file. |
| 5296 | bool isSystemFile = I >= NumUserFiles; |
| 5297 | |
| 5298 | if (isSystemFile && !NeedsSystemInputFiles) |
| 5299 | break; // the rest are system input files |
| 5300 | |
| 5301 | BitstreamCursor &Cursor = InputFilesCursor; |
| 5302 | SavedStreamPosition SavedPosition(Cursor); |
| 5303 | if (llvm::Error Err = Cursor.JumpToBit(InputFileOffs[I])) { |
| 5304 | // FIXME this drops errors on the floor. |
| 5305 | consumeError(std::move(Err)); |
| 5306 | } |
| 5307 | |
| 5308 | Expected<unsigned> MaybeCode = Cursor.ReadCode(); |
| 5309 | if (!MaybeCode) { |
| 5310 | // FIXME this drops errors on the floor. |
| 5311 | consumeError(MaybeCode.takeError()); |
| 5312 | } |
| 5313 | unsigned Code = MaybeCode.get(); |
| 5314 | |
| 5315 | RecordData Record; |
| 5316 | StringRef Blob; |
| 5317 | bool shouldContinue = false; |
| 5318 | Expected<unsigned> MaybeRecordType = |
| 5319 | Cursor.readRecord(Code, Record, &Blob); |
| 5320 | if (!MaybeRecordType) { |
| 5321 | // FIXME this drops errors on the floor. |
| 5322 | consumeError(MaybeRecordType.takeError()); |
| 5323 | } |
| 5324 | switch ((InputFileRecordTypes)MaybeRecordType.get()) { |
| 5325 | case INPUT_FILE_HASH: |
| 5326 | break; |
| 5327 | case INPUT_FILE: |
| 5328 | bool Overridden = static_cast<bool>(Record[3]); |
| 5329 | std::string Filename = std::string(Blob); |
| 5330 | ResolveImportedPath(Filename, ModuleDir); |
| 5331 | shouldContinue = Listener.visitInputFile( |
| 5332 | Filename, isSystemFile, Overridden, /*IsExplicitModule*/false); |
| 5333 | break; |
| 5334 | } |
| 5335 | if (!shouldContinue) |
| 5336 | break; |
| 5337 | } |
| 5338 | break; |
| 5339 | } |
| 5340 | |
| 5341 | case IMPORTS: { |
| 5342 | if (!NeedsImports) |
| 5343 | break; |
| 5344 | |
| 5345 | unsigned Idx = 0, N = Record.size(); |
| 5346 | while (Idx < N) { |
| 5347 | // Read information about the AST file. |
| 5348 | Idx += |
| 5349 | 1 + 1 + 1 + 1 + |
| 5350 | ASTFileSignature::size; // Kind, ImportLoc, Size, ModTime, Signature |
| 5351 | std::string ModuleName = ReadString(Record, Idx); |
| 5352 | std::string Filename = ReadString(Record, Idx); |
| 5353 | ResolveImportedPath(Filename, ModuleDir); |
| 5354 | Listener.visitImport(ModuleName, Filename); |
| 5355 | } |
| 5356 | break; |
| 5357 | } |
| 5358 | |
| 5359 | default: |
| 5360 | // No other validation to perform. |
| 5361 | break; |
| 5362 | } |
| 5363 | } |
| 5364 | |
| 5365 | // Look for module file extension blocks, if requested. |
| 5366 | if (FindModuleFileExtensions) { |
| 5367 | BitstreamCursor SavedStream = Stream; |
| 5368 | while (!SkipCursorToBlock(Stream, EXTENSION_BLOCK_ID)) { |
| 5369 | bool DoneWithExtensionBlock = false; |
| 5370 | while (!DoneWithExtensionBlock) { |
| 5371 | Expected<llvm::BitstreamEntry> MaybeEntry = Stream.advance(); |
| 5372 | if (!MaybeEntry) { |
| 5373 | // FIXME this drops the error. |
| 5374 | return true; |
| 5375 | } |
| 5376 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 5377 | |
| 5378 | switch (Entry.Kind) { |
| 5379 | case llvm::BitstreamEntry::SubBlock: |
| 5380 | if (llvm::Error Err = Stream.SkipBlock()) { |
| 5381 | // FIXME this drops the error on the floor. |
| 5382 | consumeError(std::move(Err)); |
| 5383 | return true; |
| 5384 | } |
| 5385 | continue; |
| 5386 | |
| 5387 | case llvm::BitstreamEntry::EndBlock: |
| 5388 | DoneWithExtensionBlock = true; |
| 5389 | continue; |
| 5390 | |
| 5391 | case llvm::BitstreamEntry::Error: |
| 5392 | return true; |
| 5393 | |
| 5394 | case llvm::BitstreamEntry::Record: |
| 5395 | break; |
| 5396 | } |
| 5397 | |
| 5398 | Record.clear(); |
| 5399 | StringRef Blob; |
| 5400 | Expected<unsigned> MaybeRecCode = |
| 5401 | Stream.readRecord(Entry.ID, Record, &Blob); |
| 5402 | if (!MaybeRecCode) { |
| 5403 | // FIXME this drops the error. |
| 5404 | return true; |
| 5405 | } |
| 5406 | switch (MaybeRecCode.get()) { |
| 5407 | case EXTENSION_METADATA: { |
| 5408 | ModuleFileExtensionMetadata Metadata; |
| 5409 | if (parseModuleFileExtensionMetadata(Record, Blob, Metadata)) |
| 5410 | return true; |
| 5411 | |
| 5412 | Listener.readModuleFileExtension(Metadata); |
| 5413 | break; |
| 5414 | } |
| 5415 | } |
| 5416 | } |
| 5417 | } |
| 5418 | Stream = SavedStream; |
| 5419 | } |
| 5420 | |
| 5421 | // Scan for the UNHASHED_CONTROL_BLOCK_ID block. |
| 5422 | if (readUnhashedControlBlockImpl( |
| 5423 | nullptr, Bytes, ARR_ConfigurationMismatch | ARR_OutOfDate, |
| 5424 | /*AllowCompatibleConfigurationMismatch*/ false, &Listener, |
| 5425 | ValidateDiagnosticOptions) != Success) |
| 5426 | return true; |
| 5427 | |
| 5428 | return false; |
| 5429 | } |
| 5430 | |
| 5431 | bool ASTReader::isAcceptableASTFile(StringRef Filename, FileManager &FileMgr, |
| 5432 | const PCHContainerReader &PCHContainerRdr, |
| 5433 | const LangOptions &LangOpts, |
| 5434 | const TargetOptions &TargetOpts, |
| 5435 | const PreprocessorOptions &PPOpts, |
| 5436 | StringRef ExistingModuleCachePath) { |
| 5437 | SimplePCHValidator validator(LangOpts, TargetOpts, PPOpts, |
| 5438 | ExistingModuleCachePath, FileMgr); |
| 5439 | return !readASTFileControlBlock(Filename, FileMgr, PCHContainerRdr, |
| 5440 | /*FindModuleFileExtensions=*/false, |
| 5441 | validator, |
| 5442 | /*ValidateDiagnosticOptions=*/true); |
| 5443 | } |
| 5444 | |
| 5445 | ASTReader::ASTReadResult |
| 5446 | ASTReader::ReadSubmoduleBlock(ModuleFile &F, unsigned ClientLoadCapabilities) { |
| 5447 | // Enter the submodule block. |
| 5448 | if (llvm::Error Err = F.Stream.EnterSubBlock(SUBMODULE_BLOCK_ID)) { |
| 5449 | Error(std::move(Err)); |
| 5450 | return Failure; |
| 5451 | } |
| 5452 | |
| 5453 | ModuleMap &ModMap = PP.getHeaderSearchInfo().getModuleMap(); |
| 5454 | bool First = true; |
| 5455 | Module *CurrentModule = nullptr; |
| 5456 | RecordData Record; |
| 5457 | while (true) { |
| 5458 | Expected<llvm::BitstreamEntry> MaybeEntry = |
| 5459 | F.Stream.advanceSkippingSubblocks(); |
| 5460 | if (!MaybeEntry) { |
| 5461 | Error(MaybeEntry.takeError()); |
| 5462 | return Failure; |
| 5463 | } |
| 5464 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 5465 | |
| 5466 | switch (Entry.Kind) { |
| 5467 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. |
| 5468 | case llvm::BitstreamEntry::Error: |
| 5469 | Error("malformed block record in AST file" ); |
| 5470 | return Failure; |
| 5471 | case llvm::BitstreamEntry::EndBlock: |
| 5472 | return Success; |
| 5473 | case llvm::BitstreamEntry::Record: |
| 5474 | // The interesting case. |
| 5475 | break; |
| 5476 | } |
| 5477 | |
| 5478 | // Read a record. |
| 5479 | StringRef Blob; |
| 5480 | Record.clear(); |
| 5481 | Expected<unsigned> MaybeKind = F.Stream.readRecord(Entry.ID, Record, &Blob); |
| 5482 | if (!MaybeKind) { |
| 5483 | Error(MaybeKind.takeError()); |
| 5484 | return Failure; |
| 5485 | } |
| 5486 | unsigned Kind = MaybeKind.get(); |
| 5487 | |
| 5488 | if ((Kind == SUBMODULE_METADATA) != First) { |
| 5489 | Error("submodule metadata record should be at beginning of block" ); |
| 5490 | return Failure; |
| 5491 | } |
| 5492 | First = false; |
| 5493 | |
| 5494 | // Submodule information is only valid if we have a current module. |
| 5495 | // FIXME: Should we error on these cases? |
| 5496 | if (!CurrentModule && Kind != SUBMODULE_METADATA && |
| 5497 | Kind != SUBMODULE_DEFINITION) |
| 5498 | continue; |
| 5499 | |
| 5500 | switch (Kind) { |
| 5501 | default: // Default behavior: ignore. |
| 5502 | break; |
| 5503 | |
| 5504 | case SUBMODULE_DEFINITION: { |
| 5505 | if (Record.size() < 12) { |
| 5506 | Error("malformed module definition" ); |
| 5507 | return Failure; |
| 5508 | } |
| 5509 | |
| 5510 | StringRef Name = Blob; |
| 5511 | unsigned Idx = 0; |
| 5512 | SubmoduleID GlobalID = getGlobalSubmoduleID(F, Record[Idx++]); |
| 5513 | SubmoduleID Parent = getGlobalSubmoduleID(F, Record[Idx++]); |
| 5514 | Module::ModuleKind Kind = (Module::ModuleKind)Record[Idx++]; |
| 5515 | bool IsFramework = Record[Idx++]; |
| 5516 | bool IsExplicit = Record[Idx++]; |
| 5517 | bool IsSystem = Record[Idx++]; |
| 5518 | bool IsExternC = Record[Idx++]; |
| 5519 | bool InferSubmodules = Record[Idx++]; |
| 5520 | bool InferExplicitSubmodules = Record[Idx++]; |
| 5521 | bool InferExportWildcard = Record[Idx++]; |
| 5522 | bool ConfigMacrosExhaustive = Record[Idx++]; |
| 5523 | bool ModuleMapIsPrivate = Record[Idx++]; |
| 5524 | |
| 5525 | Module *ParentModule = nullptr; |
| 5526 | if (Parent) |
| 5527 | ParentModule = getSubmodule(Parent); |
| 5528 | |
| 5529 | // Retrieve this (sub)module from the module map, creating it if |
| 5530 | // necessary. |
| 5531 | CurrentModule = |
| 5532 | ModMap.findOrCreateModule(Name, ParentModule, IsFramework, IsExplicit) |
| 5533 | .first; |
| 5534 | |
| 5535 | // FIXME: set the definition loc for CurrentModule, or call |
| 5536 | // ModMap.setInferredModuleAllowedBy() |
| 5537 | |
| 5538 | SubmoduleID GlobalIndex = GlobalID - NUM_PREDEF_SUBMODULE_IDS; |
| 5539 | if (GlobalIndex >= SubmodulesLoaded.size() || |
| 5540 | SubmodulesLoaded[GlobalIndex]) { |
| 5541 | Error("too many submodules" ); |
| 5542 | return Failure; |
| 5543 | } |
| 5544 | |
| 5545 | if (!ParentModule) { |
| 5546 | if (const FileEntry *CurFile = CurrentModule->getASTFile()) { |
| 5547 | // Don't emit module relocation error if we have -fno-validate-pch |
| 5548 | if (!bool(PP.getPreprocessorOpts().DisablePCHOrModuleValidation & |
| 5549 | DisableValidationForModuleKind::Module) && |
| 5550 | CurFile != F.File) { |
| 5551 | Error(diag::err_module_file_conflict, |
| 5552 | CurrentModule->getTopLevelModuleName(), CurFile->getName(), |
| 5553 | F.File->getName()); |
| 5554 | return Failure; |
| 5555 | } |
| 5556 | } |
| 5557 | |
| 5558 | F.DidReadTopLevelSubmodule = true; |
| 5559 | CurrentModule->setASTFile(F.File); |
| 5560 | CurrentModule->PresumedModuleMapFile = F.ModuleMapPath; |
| 5561 | } |
| 5562 | |
| 5563 | CurrentModule->Kind = Kind; |
| 5564 | CurrentModule->Signature = F.Signature; |
| 5565 | CurrentModule->IsFromModuleFile = true; |
| 5566 | CurrentModule->IsSystem = IsSystem || CurrentModule->IsSystem; |
| 5567 | CurrentModule->IsExternC = IsExternC; |
| 5568 | CurrentModule->InferSubmodules = InferSubmodules; |
| 5569 | CurrentModule->InferExplicitSubmodules = InferExplicitSubmodules; |
| 5570 | CurrentModule->InferExportWildcard = InferExportWildcard; |
| 5571 | CurrentModule->ConfigMacrosExhaustive = ConfigMacrosExhaustive; |
| 5572 | CurrentModule->ModuleMapIsPrivate = ModuleMapIsPrivate; |
| 5573 | if (DeserializationListener) |
| 5574 | DeserializationListener->ModuleRead(GlobalID, CurrentModule); |
| 5575 | |
| 5576 | SubmodulesLoaded[GlobalIndex] = CurrentModule; |
| 5577 | |
| 5578 | // Clear out data that will be replaced by what is in the module file. |
| 5579 | CurrentModule->LinkLibraries.clear(); |
| 5580 | CurrentModule->ConfigMacros.clear(); |
| 5581 | CurrentModule->UnresolvedConflicts.clear(); |
| 5582 | CurrentModule->Conflicts.clear(); |
| 5583 | |
| 5584 | // The module is available unless it's missing a requirement; relevant |
| 5585 | // requirements will be (re-)added by SUBMODULE_REQUIRES records. |
| 5586 | // Missing headers that were present when the module was built do not |
| 5587 | // make it unavailable -- if we got this far, this must be an explicitly |
| 5588 | // imported module file. |
| 5589 | CurrentModule->Requirements.clear(); |
| 5590 | CurrentModule->MissingHeaders.clear(); |
| 5591 | CurrentModule->IsUnimportable = |
| 5592 | ParentModule && ParentModule->IsUnimportable; |
| 5593 | CurrentModule->IsAvailable = !CurrentModule->IsUnimportable; |
| 5594 | break; |
| 5595 | } |
| 5596 | |
| 5597 | case SUBMODULE_UMBRELLA_HEADER: { |
| 5598 | std::string Filename = std::string(Blob); |
| 5599 | ResolveImportedPath(F, Filename); |
| 5600 | if (auto Umbrella = PP.getFileManager().getOptionalFileRef(Filename)) { |
| 5601 | if (!CurrentModule->getUmbrellaHeader()) |
| 5602 | ModMap.setUmbrellaHeader(CurrentModule, *Umbrella, Blob); |
| 5603 | else if (CurrentModule->getUmbrellaHeader().Entry != *Umbrella) { |
| 5604 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) |
| 5605 | Error("mismatched umbrella headers in submodule" ); |
| 5606 | return OutOfDate; |
| 5607 | } |
| 5608 | } |
| 5609 | break; |
| 5610 | } |
| 5611 | |
| 5612 | case SUBMODULE_HEADER: |
| 5613 | case SUBMODULE_EXCLUDED_HEADER: |
| 5614 | case SUBMODULE_PRIVATE_HEADER: |
| 5615 | // We lazily associate headers with their modules via the HeaderInfo table. |
| 5616 | // FIXME: Re-evaluate this section; maybe only store InputFile IDs instead |
| 5617 | // of complete filenames or remove it entirely. |
| 5618 | break; |
| 5619 | |
| 5620 | case SUBMODULE_TEXTUAL_HEADER: |
| 5621 | case SUBMODULE_PRIVATE_TEXTUAL_HEADER: |
| 5622 | // FIXME: Textual headers are not marked in the HeaderInfo table. Load |
| 5623 | // them here. |
| 5624 | break; |
| 5625 | |
| 5626 | case SUBMODULE_TOPHEADER: |
| 5627 | CurrentModule->addTopHeaderFilename(Blob); |
| 5628 | break; |
| 5629 | |
| 5630 | case SUBMODULE_UMBRELLA_DIR: { |
| 5631 | std::string Dirname = std::string(Blob); |
| 5632 | ResolveImportedPath(F, Dirname); |
| 5633 | if (auto Umbrella = |
| 5634 | PP.getFileManager().getOptionalDirectoryRef(Dirname)) { |
| 5635 | if (!CurrentModule->getUmbrellaDir()) |
| 5636 | ModMap.setUmbrellaDir(CurrentModule, *Umbrella, Blob); |
| 5637 | else if (CurrentModule->getUmbrellaDir().Entry != *Umbrella) { |
| 5638 | if ((ClientLoadCapabilities & ARR_OutOfDate) == 0) |
| 5639 | Error("mismatched umbrella directories in submodule" ); |
| 5640 | return OutOfDate; |
| 5641 | } |
| 5642 | } |
| 5643 | break; |
| 5644 | } |
| 5645 | |
| 5646 | case SUBMODULE_METADATA: { |
| 5647 | F.BaseSubmoduleID = getTotalNumSubmodules(); |
| 5648 | F.LocalNumSubmodules = Record[0]; |
| 5649 | unsigned LocalBaseSubmoduleID = Record[1]; |
| 5650 | if (F.LocalNumSubmodules > 0) { |
| 5651 | // Introduce the global -> local mapping for submodules within this |
| 5652 | // module. |
| 5653 | GlobalSubmoduleMap.insert(std::make_pair(getTotalNumSubmodules()+1,&F)); |
| 5654 | |
| 5655 | // Introduce the local -> global mapping for submodules within this |
| 5656 | // module. |
| 5657 | F.SubmoduleRemap.insertOrReplace( |
| 5658 | std::make_pair(LocalBaseSubmoduleID, |
| 5659 | F.BaseSubmoduleID - LocalBaseSubmoduleID)); |
| 5660 | |
| 5661 | SubmodulesLoaded.resize(SubmodulesLoaded.size() + F.LocalNumSubmodules); |
| 5662 | } |
| 5663 | break; |
| 5664 | } |
| 5665 | |
| 5666 | case SUBMODULE_IMPORTS: |
| 5667 | for (unsigned Idx = 0; Idx != Record.size(); ++Idx) { |
| 5668 | UnresolvedModuleRef Unresolved; |
| 5669 | Unresolved.File = &F; |
| 5670 | Unresolved.Mod = CurrentModule; |
| 5671 | Unresolved.ID = Record[Idx]; |
| 5672 | Unresolved.Kind = UnresolvedModuleRef::Import; |
| 5673 | Unresolved.IsWildcard = false; |
| 5674 | UnresolvedModuleRefs.push_back(Unresolved); |
| 5675 | } |
| 5676 | break; |
| 5677 | |
| 5678 | case SUBMODULE_EXPORTS: |
| 5679 | for (unsigned Idx = 0; Idx + 1 < Record.size(); Idx += 2) { |
| 5680 | UnresolvedModuleRef Unresolved; |
| 5681 | Unresolved.File = &F; |
| 5682 | Unresolved.Mod = CurrentModule; |
| 5683 | Unresolved.ID = Record[Idx]; |
| 5684 | Unresolved.Kind = UnresolvedModuleRef::Export; |
| 5685 | Unresolved.IsWildcard = Record[Idx + 1]; |
| 5686 | UnresolvedModuleRefs.push_back(Unresolved); |
| 5687 | } |
| 5688 | |
| 5689 | // Once we've loaded the set of exports, there's no reason to keep |
| 5690 | // the parsed, unresolved exports around. |
| 5691 | CurrentModule->UnresolvedExports.clear(); |
| 5692 | break; |
| 5693 | |
| 5694 | case SUBMODULE_REQUIRES: |
| 5695 | CurrentModule->addRequirement(Blob, Record[0], PP.getLangOpts(), |
| 5696 | PP.getTargetInfo()); |
| 5697 | break; |
| 5698 | |
| 5699 | case SUBMODULE_LINK_LIBRARY: |
| 5700 | ModMap.resolveLinkAsDependencies(CurrentModule); |
| 5701 | CurrentModule->LinkLibraries.push_back( |
| 5702 | Module::LinkLibrary(std::string(Blob), Record[0])); |
| 5703 | break; |
| 5704 | |
| 5705 | case SUBMODULE_CONFIG_MACRO: |
| 5706 | CurrentModule->ConfigMacros.push_back(Blob.str()); |
| 5707 | break; |
| 5708 | |
| 5709 | case SUBMODULE_CONFLICT: { |
| 5710 | UnresolvedModuleRef Unresolved; |
| 5711 | Unresolved.File = &F; |
| 5712 | Unresolved.Mod = CurrentModule; |
| 5713 | Unresolved.ID = Record[0]; |
| 5714 | Unresolved.Kind = UnresolvedModuleRef::Conflict; |
| 5715 | Unresolved.IsWildcard = false; |
| 5716 | Unresolved.String = Blob; |
| 5717 | UnresolvedModuleRefs.push_back(Unresolved); |
| 5718 | break; |
| 5719 | } |
| 5720 | |
| 5721 | case SUBMODULE_INITIALIZERS: { |
| 5722 | if (!ContextObj) |
| 5723 | break; |
| 5724 | SmallVector<uint32_t, 16> Inits; |
| 5725 | for (auto &ID : Record) |
| 5726 | Inits.push_back(getGlobalDeclID(F, ID)); |
| 5727 | ContextObj->addLazyModuleInitializers(CurrentModule, Inits); |
| 5728 | break; |
| 5729 | } |
| 5730 | |
| 5731 | case SUBMODULE_EXPORT_AS: |
| 5732 | CurrentModule->ExportAsModule = Blob.str(); |
| 5733 | ModMap.addLinkAsDependency(CurrentModule); |
| 5734 | break; |
| 5735 | } |
| 5736 | } |
| 5737 | } |
| 5738 | |
| 5739 | /// Parse the record that corresponds to a LangOptions data |
| 5740 | /// structure. |
| 5741 | /// |
| 5742 | /// This routine parses the language options from the AST file and then gives |
| 5743 | /// them to the AST listener if one is set. |
| 5744 | /// |
| 5745 | /// \returns true if the listener deems the file unacceptable, false otherwise. |
| 5746 | bool ASTReader::ParseLanguageOptions(const RecordData &Record, |
| 5747 | bool Complain, |
| 5748 | ASTReaderListener &Listener, |
| 5749 | bool AllowCompatibleDifferences) { |
| 5750 | LangOptions LangOpts; |
| 5751 | unsigned Idx = 0; |
| 5752 | #define LANGOPT(Name, Bits, Default, Description) \ |
| 5753 | LangOpts.Name = Record[Idx++]; |
| 5754 | #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ |
| 5755 | LangOpts.set##Name(static_cast<LangOptions::Type>(Record[Idx++])); |
| 5756 | #include "clang/Basic/LangOptions.def" |
| 5757 | #define SANITIZER(NAME, ID) \ |
| 5758 | LangOpts.Sanitize.set(SanitizerKind::ID, Record[Idx++]); |
| 5759 | #include "clang/Basic/Sanitizers.def" |
| 5760 | |
| 5761 | for (unsigned N = Record[Idx++]; N; --N) |
| 5762 | LangOpts.ModuleFeatures.push_back(ReadString(Record, Idx)); |
| 5763 | |
| 5764 | ObjCRuntime::Kind runtimeKind = (ObjCRuntime::Kind) Record[Idx++]; |
| 5765 | VersionTuple runtimeVersion = ReadVersionTuple(Record, Idx); |
| 5766 | LangOpts.ObjCRuntime = ObjCRuntime(runtimeKind, runtimeVersion); |
| 5767 | |
| 5768 | LangOpts.CurrentModule = ReadString(Record, Idx); |
| 5769 | |
| 5770 | // Comment options. |
| 5771 | for (unsigned N = Record[Idx++]; N; --N) { |
| 5772 | LangOpts.CommentOpts.BlockCommandNames.push_back( |
| 5773 | ReadString(Record, Idx)); |
| 5774 | } |
| 5775 | LangOpts.CommentOpts.ParseAllComments = Record[Idx++]; |
| 5776 | |
| 5777 | // OpenMP offloading options. |
| 5778 | for (unsigned N = Record[Idx++]; N; --N) { |
| 5779 | LangOpts.OMPTargetTriples.push_back(llvm::Triple(ReadString(Record, Idx))); |
| 5780 | } |
| 5781 | |
| 5782 | LangOpts.OMPHostIRFile = ReadString(Record, Idx); |
| 5783 | |
| 5784 | return Listener.ReadLanguageOptions(LangOpts, Complain, |
| 5785 | AllowCompatibleDifferences); |
| 5786 | } |
| 5787 | |
| 5788 | bool ASTReader::ParseTargetOptions(const RecordData &Record, bool Complain, |
| 5789 | ASTReaderListener &Listener, |
| 5790 | bool AllowCompatibleDifferences) { |
| 5791 | unsigned Idx = 0; |
| 5792 | TargetOptions TargetOpts; |
| 5793 | TargetOpts.Triple = ReadString(Record, Idx); |
| 5794 | TargetOpts.CPU = ReadString(Record, Idx); |
| 5795 | TargetOpts.TuneCPU = ReadString(Record, Idx); |
| 5796 | TargetOpts.ABI = ReadString(Record, Idx); |
| 5797 | for (unsigned N = Record[Idx++]; N; --N) { |
| 5798 | TargetOpts.FeaturesAsWritten.push_back(ReadString(Record, Idx)); |
| 5799 | } |
| 5800 | for (unsigned N = Record[Idx++]; N; --N) { |
| 5801 | TargetOpts.Features.push_back(ReadString(Record, Idx)); |
| 5802 | } |
| 5803 | |
| 5804 | return Listener.ReadTargetOptions(TargetOpts, Complain, |
| 5805 | AllowCompatibleDifferences); |
| 5806 | } |
| 5807 | |
| 5808 | bool ASTReader::ParseDiagnosticOptions(const RecordData &Record, bool Complain, |
| 5809 | ASTReaderListener &Listener) { |
| 5810 | IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts(new DiagnosticOptions); |
| 5811 | unsigned Idx = 0; |
| 5812 | #define DIAGOPT(Name, Bits, Default) DiagOpts->Name = Record[Idx++]; |
| 5813 | #define ENUM_DIAGOPT(Name, Type, Bits, Default) \ |
| 5814 | DiagOpts->set##Name(static_cast<Type>(Record[Idx++])); |
| 5815 | #include "clang/Basic/DiagnosticOptions.def" |
| 5816 | |
| 5817 | for (unsigned N = Record[Idx++]; N; --N) |
| 5818 | DiagOpts->Warnings.push_back(ReadString(Record, Idx)); |
| 5819 | for (unsigned N = Record[Idx++]; N; --N) |
| 5820 | DiagOpts->Remarks.push_back(ReadString(Record, Idx)); |
| 5821 | |
| 5822 | return Listener.ReadDiagnosticOptions(DiagOpts, Complain); |
| 5823 | } |
| 5824 | |
| 5825 | bool ASTReader::ParseFileSystemOptions(const RecordData &Record, bool Complain, |
| 5826 | ASTReaderListener &Listener) { |
| 5827 | FileSystemOptions FSOpts; |
| 5828 | unsigned Idx = 0; |
| 5829 | FSOpts.WorkingDir = ReadString(Record, Idx); |
| 5830 | return Listener.ReadFileSystemOptions(FSOpts, Complain); |
| 5831 | } |
| 5832 | |
| 5833 | bool ASTReader::(const RecordData &Record, |
| 5834 | bool Complain, |
| 5835 | ASTReaderListener &Listener) { |
| 5836 | HeaderSearchOptions HSOpts; |
| 5837 | unsigned Idx = 0; |
| 5838 | HSOpts.Sysroot = ReadString(Record, Idx); |
| 5839 | |
| 5840 | // Include entries. |
| 5841 | for (unsigned N = Record[Idx++]; N; --N) { |
| 5842 | std::string Path = ReadString(Record, Idx); |
| 5843 | frontend::IncludeDirGroup Group |
| 5844 | = static_cast<frontend::IncludeDirGroup>(Record[Idx++]); |
| 5845 | bool IsFramework = Record[Idx++]; |
| 5846 | bool IgnoreSysRoot = Record[Idx++]; |
| 5847 | HSOpts.UserEntries.emplace_back(std::move(Path), Group, IsFramework, |
| 5848 | IgnoreSysRoot); |
| 5849 | } |
| 5850 | |
| 5851 | // System header prefixes. |
| 5852 | for (unsigned N = Record[Idx++]; N; --N) { |
| 5853 | std::string Prefix = ReadString(Record, Idx); |
| 5854 | bool = Record[Idx++]; |
| 5855 | HSOpts.SystemHeaderPrefixes.emplace_back(std::move(Prefix), IsSystemHeader); |
| 5856 | } |
| 5857 | |
| 5858 | HSOpts.ResourceDir = ReadString(Record, Idx); |
| 5859 | HSOpts.ModuleCachePath = ReadString(Record, Idx); |
| 5860 | HSOpts.ModuleUserBuildPath = ReadString(Record, Idx); |
| 5861 | HSOpts.DisableModuleHash = Record[Idx++]; |
| 5862 | HSOpts.ImplicitModuleMaps = Record[Idx++]; |
| 5863 | HSOpts.ModuleMapFileHomeIsCwd = Record[Idx++]; |
| 5864 | HSOpts.EnablePrebuiltImplicitModules = Record[Idx++]; |
| 5865 | HSOpts.UseBuiltinIncludes = Record[Idx++]; |
| 5866 | HSOpts.UseStandardSystemIncludes = Record[Idx++]; |
| 5867 | HSOpts.UseStandardCXXIncludes = Record[Idx++]; |
| 5868 | HSOpts.UseLibcxx = Record[Idx++]; |
| 5869 | std::string SpecificModuleCachePath = ReadString(Record, Idx); |
| 5870 | |
| 5871 | return Listener.ReadHeaderSearchOptions(HSOpts, SpecificModuleCachePath, |
| 5872 | Complain); |
| 5873 | } |
| 5874 | |
| 5875 | bool ASTReader::ParsePreprocessorOptions(const RecordData &Record, |
| 5876 | bool Complain, |
| 5877 | ASTReaderListener &Listener, |
| 5878 | std::string &SuggestedPredefines) { |
| 5879 | PreprocessorOptions PPOpts; |
| 5880 | unsigned Idx = 0; |
| 5881 | |
| 5882 | // Macro definitions/undefs |
| 5883 | for (unsigned N = Record[Idx++]; N; --N) { |
| 5884 | std::string Macro = ReadString(Record, Idx); |
| 5885 | bool IsUndef = Record[Idx++]; |
| 5886 | PPOpts.Macros.push_back(std::make_pair(Macro, IsUndef)); |
| 5887 | } |
| 5888 | |
| 5889 | // Includes |
| 5890 | for (unsigned N = Record[Idx++]; N; --N) { |
| 5891 | PPOpts.Includes.push_back(ReadString(Record, Idx)); |
| 5892 | } |
| 5893 | |
| 5894 | // Macro Includes |
| 5895 | for (unsigned N = Record[Idx++]; N; --N) { |
| 5896 | PPOpts.MacroIncludes.push_back(ReadString(Record, Idx)); |
| 5897 | } |
| 5898 | |
| 5899 | PPOpts.UsePredefines = Record[Idx++]; |
| 5900 | PPOpts.DetailedRecord = Record[Idx++]; |
| 5901 | PPOpts.ImplicitPCHInclude = ReadString(Record, Idx); |
| 5902 | PPOpts.ObjCXXARCStandardLibrary = |
| 5903 | static_cast<ObjCXXARCStandardLibraryKind>(Record[Idx++]); |
| 5904 | SuggestedPredefines.clear(); |
| 5905 | return Listener.ReadPreprocessorOptions(PPOpts, Complain, |
| 5906 | SuggestedPredefines); |
| 5907 | } |
| 5908 | |
| 5909 | std::pair<ModuleFile *, unsigned> |
| 5910 | ASTReader::getModulePreprocessedEntity(unsigned GlobalIndex) { |
| 5911 | GlobalPreprocessedEntityMapType::iterator |
| 5912 | I = GlobalPreprocessedEntityMap.find(GlobalIndex); |
| 5913 | assert(I != GlobalPreprocessedEntityMap.end() && |
| 5914 | "Corrupted global preprocessed entity map" ); |
| 5915 | ModuleFile *M = I->second; |
| 5916 | unsigned LocalIndex = GlobalIndex - M->BasePreprocessedEntityID; |
| 5917 | return std::make_pair(M, LocalIndex); |
| 5918 | } |
| 5919 | |
| 5920 | llvm::iterator_range<PreprocessingRecord::iterator> |
| 5921 | ASTReader::getModulePreprocessedEntities(ModuleFile &Mod) const { |
| 5922 | if (PreprocessingRecord *PPRec = PP.getPreprocessingRecord()) |
| 5923 | return PPRec->getIteratorsForLoadedRange(Mod.BasePreprocessedEntityID, |
| 5924 | Mod.NumPreprocessedEntities); |
| 5925 | |
| 5926 | return llvm::make_range(PreprocessingRecord::iterator(), |
| 5927 | PreprocessingRecord::iterator()); |
| 5928 | } |
| 5929 | |
| 5930 | llvm::iterator_range<ASTReader::ModuleDeclIterator> |
| 5931 | ASTReader::getModuleFileLevelDecls(ModuleFile &Mod) { |
| 5932 | return llvm::make_range( |
| 5933 | ModuleDeclIterator(this, &Mod, Mod.FileSortedDecls), |
| 5934 | ModuleDeclIterator(this, &Mod, |
| 5935 | Mod.FileSortedDecls + Mod.NumFileSortedDecls)); |
| 5936 | } |
| 5937 | |
| 5938 | SourceRange ASTReader::ReadSkippedRange(unsigned GlobalIndex) { |
| 5939 | auto I = GlobalSkippedRangeMap.find(GlobalIndex); |
| 5940 | assert(I != GlobalSkippedRangeMap.end() && |
| 5941 | "Corrupted global skipped range map" ); |
| 5942 | ModuleFile *M = I->second; |
| 5943 | unsigned LocalIndex = GlobalIndex - M->BasePreprocessedSkippedRangeID; |
| 5944 | assert(LocalIndex < M->NumPreprocessedSkippedRanges); |
| 5945 | PPSkippedRange RawRange = M->PreprocessedSkippedRangeOffsets[LocalIndex]; |
| 5946 | SourceRange Range(TranslateSourceLocation(*M, RawRange.getBegin()), |
| 5947 | TranslateSourceLocation(*M, RawRange.getEnd())); |
| 5948 | assert(Range.isValid()); |
| 5949 | return Range; |
| 5950 | } |
| 5951 | |
| 5952 | PreprocessedEntity *ASTReader::ReadPreprocessedEntity(unsigned Index) { |
| 5953 | PreprocessedEntityID PPID = Index+1; |
| 5954 | std::pair<ModuleFile *, unsigned> PPInfo = getModulePreprocessedEntity(Index); |
| 5955 | ModuleFile &M = *PPInfo.first; |
| 5956 | unsigned LocalIndex = PPInfo.second; |
| 5957 | const PPEntityOffset &PPOffs = M.PreprocessedEntityOffsets[LocalIndex]; |
| 5958 | |
| 5959 | if (!PP.getPreprocessingRecord()) { |
| 5960 | Error("no preprocessing record" ); |
| 5961 | return nullptr; |
| 5962 | } |
| 5963 | |
| 5964 | SavedStreamPosition SavedPosition(M.PreprocessorDetailCursor); |
| 5965 | if (llvm::Error Err = M.PreprocessorDetailCursor.JumpToBit( |
| 5966 | M.MacroOffsetsBase + PPOffs.BitOffset)) { |
| 5967 | Error(std::move(Err)); |
| 5968 | return nullptr; |
| 5969 | } |
| 5970 | |
| 5971 | Expected<llvm::BitstreamEntry> MaybeEntry = |
| 5972 | M.PreprocessorDetailCursor.advance(BitstreamCursor::AF_DontPopBlockAtEnd); |
| 5973 | if (!MaybeEntry) { |
| 5974 | Error(MaybeEntry.takeError()); |
| 5975 | return nullptr; |
| 5976 | } |
| 5977 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 5978 | |
| 5979 | if (Entry.Kind != llvm::BitstreamEntry::Record) |
| 5980 | return nullptr; |
| 5981 | |
| 5982 | // Read the record. |
| 5983 | SourceRange Range(TranslateSourceLocation(M, PPOffs.getBegin()), |
| 5984 | TranslateSourceLocation(M, PPOffs.getEnd())); |
| 5985 | PreprocessingRecord &PPRec = *PP.getPreprocessingRecord(); |
| 5986 | StringRef Blob; |
| 5987 | RecordData Record; |
| 5988 | Expected<unsigned> MaybeRecType = |
| 5989 | M.PreprocessorDetailCursor.readRecord(Entry.ID, Record, &Blob); |
| 5990 | if (!MaybeRecType) { |
| 5991 | Error(MaybeRecType.takeError()); |
| 5992 | return nullptr; |
| 5993 | } |
| 5994 | switch ((PreprocessorDetailRecordTypes)MaybeRecType.get()) { |
| 5995 | case PPD_MACRO_EXPANSION: { |
| 5996 | bool isBuiltin = Record[0]; |
| 5997 | IdentifierInfo *Name = nullptr; |
| 5998 | MacroDefinitionRecord *Def = nullptr; |
| 5999 | if (isBuiltin) |
| 6000 | Name = getLocalIdentifier(M, Record[1]); |
| 6001 | else { |
| 6002 | PreprocessedEntityID GlobalID = |
| 6003 | getGlobalPreprocessedEntityID(M, Record[1]); |
| 6004 | Def = cast<MacroDefinitionRecord>( |
| 6005 | PPRec.getLoadedPreprocessedEntity(GlobalID - 1)); |
| 6006 | } |
| 6007 | |
| 6008 | MacroExpansion *ME; |
| 6009 | if (isBuiltin) |
| 6010 | ME = new (PPRec) MacroExpansion(Name, Range); |
| 6011 | else |
| 6012 | ME = new (PPRec) MacroExpansion(Def, Range); |
| 6013 | |
| 6014 | return ME; |
| 6015 | } |
| 6016 | |
| 6017 | case PPD_MACRO_DEFINITION: { |
| 6018 | // Decode the identifier info and then check again; if the macro is |
| 6019 | // still defined and associated with the identifier, |
| 6020 | IdentifierInfo *II = getLocalIdentifier(M, Record[0]); |
| 6021 | MacroDefinitionRecord *MD = new (PPRec) MacroDefinitionRecord(II, Range); |
| 6022 | |
| 6023 | if (DeserializationListener) |
| 6024 | DeserializationListener->MacroDefinitionRead(PPID, MD); |
| 6025 | |
| 6026 | return MD; |
| 6027 | } |
| 6028 | |
| 6029 | case PPD_INCLUSION_DIRECTIVE: { |
| 6030 | const char *FullFileNameStart = Blob.data() + Record[0]; |
| 6031 | StringRef FullFileName(FullFileNameStart, Blob.size() - Record[0]); |
| 6032 | const FileEntry *File = nullptr; |
| 6033 | if (!FullFileName.empty()) |
| 6034 | if (auto FE = PP.getFileManager().getFile(FullFileName)) |
| 6035 | File = *FE; |
| 6036 | |
| 6037 | // FIXME: Stable encoding |
| 6038 | InclusionDirective::InclusionKind Kind |
| 6039 | = static_cast<InclusionDirective::InclusionKind>(Record[2]); |
| 6040 | InclusionDirective *ID |
| 6041 | = new (PPRec) InclusionDirective(PPRec, Kind, |
| 6042 | StringRef(Blob.data(), Record[0]), |
| 6043 | Record[1], Record[3], |
| 6044 | File, |
| 6045 | Range); |
| 6046 | return ID; |
| 6047 | } |
| 6048 | } |
| 6049 | |
| 6050 | llvm_unreachable("Invalid PreprocessorDetailRecordTypes" ); |
| 6051 | } |
| 6052 | |
| 6053 | /// Find the next module that contains entities and return the ID |
| 6054 | /// of the first entry. |
| 6055 | /// |
| 6056 | /// \param SLocMapI points at a chunk of a module that contains no |
| 6057 | /// preprocessed entities or the entities it contains are not the ones we are |
| 6058 | /// looking for. |
| 6059 | PreprocessedEntityID ASTReader::findNextPreprocessedEntity( |
| 6060 | GlobalSLocOffsetMapType::const_iterator SLocMapI) const { |
| 6061 | ++SLocMapI; |
| 6062 | for (GlobalSLocOffsetMapType::const_iterator |
| 6063 | EndI = GlobalSLocOffsetMap.end(); SLocMapI != EndI; ++SLocMapI) { |
| 6064 | ModuleFile &M = *SLocMapI->second; |
| 6065 | if (M.NumPreprocessedEntities) |
| 6066 | return M.BasePreprocessedEntityID; |
| 6067 | } |
| 6068 | |
| 6069 | return getTotalNumPreprocessedEntities(); |
| 6070 | } |
| 6071 | |
| 6072 | namespace { |
| 6073 | |
| 6074 | struct PPEntityComp { |
| 6075 | const ASTReader &Reader; |
| 6076 | ModuleFile &M; |
| 6077 | |
| 6078 | PPEntityComp(const ASTReader &Reader, ModuleFile &M) : Reader(Reader), M(M) {} |
| 6079 | |
| 6080 | bool operator()(const PPEntityOffset &L, const PPEntityOffset &R) const { |
| 6081 | SourceLocation LHS = getLoc(L); |
| 6082 | SourceLocation RHS = getLoc(R); |
| 6083 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); |
| 6084 | } |
| 6085 | |
| 6086 | bool operator()(const PPEntityOffset &L, SourceLocation RHS) const { |
| 6087 | SourceLocation LHS = getLoc(L); |
| 6088 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); |
| 6089 | } |
| 6090 | |
| 6091 | bool operator()(SourceLocation LHS, const PPEntityOffset &R) const { |
| 6092 | SourceLocation RHS = getLoc(R); |
| 6093 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); |
| 6094 | } |
| 6095 | |
| 6096 | SourceLocation getLoc(const PPEntityOffset &PPE) const { |
| 6097 | return Reader.TranslateSourceLocation(M, PPE.getBegin()); |
| 6098 | } |
| 6099 | }; |
| 6100 | |
| 6101 | } // namespace |
| 6102 | |
| 6103 | PreprocessedEntityID ASTReader::findPreprocessedEntity(SourceLocation Loc, |
| 6104 | bool EndsAfter) const { |
| 6105 | if (SourceMgr.isLocalSourceLocation(Loc)) |
| 6106 | return getTotalNumPreprocessedEntities(); |
| 6107 | |
| 6108 | GlobalSLocOffsetMapType::const_iterator SLocMapI = GlobalSLocOffsetMap.find( |
| 6109 | SourceManager::MaxLoadedOffset - Loc.getOffset() - 1); |
| 6110 | assert(SLocMapI != GlobalSLocOffsetMap.end() && |
| 6111 | "Corrupted global sloc offset map" ); |
| 6112 | |
| 6113 | if (SLocMapI->second->NumPreprocessedEntities == 0) |
| 6114 | return findNextPreprocessedEntity(SLocMapI); |
| 6115 | |
| 6116 | ModuleFile &M = *SLocMapI->second; |
| 6117 | |
| 6118 | using pp_iterator = const PPEntityOffset *; |
| 6119 | |
| 6120 | pp_iterator pp_begin = M.PreprocessedEntityOffsets; |
| 6121 | pp_iterator pp_end = pp_begin + M.NumPreprocessedEntities; |
| 6122 | |
| 6123 | size_t Count = M.NumPreprocessedEntities; |
| 6124 | size_t Half; |
| 6125 | pp_iterator First = pp_begin; |
| 6126 | pp_iterator PPI; |
| 6127 | |
| 6128 | if (EndsAfter) { |
| 6129 | PPI = std::upper_bound(pp_begin, pp_end, Loc, |
| 6130 | PPEntityComp(*this, M)); |
| 6131 | } else { |
| 6132 | // Do a binary search manually instead of using std::lower_bound because |
| 6133 | // The end locations of entities may be unordered (when a macro expansion |
| 6134 | // is inside another macro argument), but for this case it is not important |
| 6135 | // whether we get the first macro expansion or its containing macro. |
| 6136 | while (Count > 0) { |
| 6137 | Half = Count / 2; |
| 6138 | PPI = First; |
| 6139 | std::advance(PPI, Half); |
| 6140 | if (SourceMgr.isBeforeInTranslationUnit( |
| 6141 | TranslateSourceLocation(M, PPI->getEnd()), Loc)) { |
| 6142 | First = PPI; |
| 6143 | ++First; |
| 6144 | Count = Count - Half - 1; |
| 6145 | } else |
| 6146 | Count = Half; |
| 6147 | } |
| 6148 | } |
| 6149 | |
| 6150 | if (PPI == pp_end) |
| 6151 | return findNextPreprocessedEntity(SLocMapI); |
| 6152 | |
| 6153 | return M.BasePreprocessedEntityID + (PPI - pp_begin); |
| 6154 | } |
| 6155 | |
| 6156 | /// Returns a pair of [Begin, End) indices of preallocated |
| 6157 | /// preprocessed entities that \arg Range encompasses. |
| 6158 | std::pair<unsigned, unsigned> |
| 6159 | ASTReader::findPreprocessedEntitiesInRange(SourceRange Range) { |
| 6160 | if (Range.isInvalid()) |
| 6161 | return std::make_pair(0,0); |
| 6162 | assert(!SourceMgr.isBeforeInTranslationUnit(Range.getEnd(),Range.getBegin())); |
| 6163 | |
| 6164 | PreprocessedEntityID BeginID = |
| 6165 | findPreprocessedEntity(Range.getBegin(), false); |
| 6166 | PreprocessedEntityID EndID = findPreprocessedEntity(Range.getEnd(), true); |
| 6167 | return std::make_pair(BeginID, EndID); |
| 6168 | } |
| 6169 | |
| 6170 | /// Optionally returns true or false if the preallocated preprocessed |
| 6171 | /// entity with index \arg Index came from file \arg FID. |
| 6172 | Optional<bool> ASTReader::isPreprocessedEntityInFileID(unsigned Index, |
| 6173 | FileID FID) { |
| 6174 | if (FID.isInvalid()) |
| 6175 | return false; |
| 6176 | |
| 6177 | std::pair<ModuleFile *, unsigned> PPInfo = getModulePreprocessedEntity(Index); |
| 6178 | ModuleFile &M = *PPInfo.first; |
| 6179 | unsigned LocalIndex = PPInfo.second; |
| 6180 | const PPEntityOffset &PPOffs = M.PreprocessedEntityOffsets[LocalIndex]; |
| 6181 | |
| 6182 | SourceLocation Loc = TranslateSourceLocation(M, PPOffs.getBegin()); |
| 6183 | if (Loc.isInvalid()) |
| 6184 | return false; |
| 6185 | |
| 6186 | if (SourceMgr.isInFileID(SourceMgr.getFileLoc(Loc), FID)) |
| 6187 | return true; |
| 6188 | else |
| 6189 | return false; |
| 6190 | } |
| 6191 | |
| 6192 | namespace { |
| 6193 | |
| 6194 | /// Visitor used to search for information about a header file. |
| 6195 | class { |
| 6196 | const FileEntry *; |
| 6197 | Optional<HeaderFileInfo> ; |
| 6198 | |
| 6199 | public: |
| 6200 | explicit (const FileEntry *FE) : FE(FE) {} |
| 6201 | |
| 6202 | bool (ModuleFile &M) { |
| 6203 | HeaderFileInfoLookupTable *Table |
| 6204 | = static_cast<HeaderFileInfoLookupTable *>(M.HeaderFileInfoTable); |
| 6205 | if (!Table) |
| 6206 | return false; |
| 6207 | |
| 6208 | // Look in the on-disk hash table for an entry for this file name. |
| 6209 | HeaderFileInfoLookupTable::iterator Pos = Table->find(FE); |
| 6210 | if (Pos == Table->end()) |
| 6211 | return false; |
| 6212 | |
| 6213 | HFI = *Pos; |
| 6214 | return true; |
| 6215 | } |
| 6216 | |
| 6217 | Optional<HeaderFileInfo> () const { return HFI; } |
| 6218 | }; |
| 6219 | |
| 6220 | } // namespace |
| 6221 | |
| 6222 | HeaderFileInfo ASTReader::(const FileEntry *FE) { |
| 6223 | HeaderFileInfoVisitor Visitor(FE); |
| 6224 | ModuleMgr.visit(Visitor); |
| 6225 | if (Optional<HeaderFileInfo> HFI = Visitor.getHeaderFileInfo()) |
| 6226 | return *HFI; |
| 6227 | |
| 6228 | return HeaderFileInfo(); |
| 6229 | } |
| 6230 | |
| 6231 | void ASTReader::ReadPragmaDiagnosticMappings(DiagnosticsEngine &Diag) { |
| 6232 | using DiagState = DiagnosticsEngine::DiagState; |
| 6233 | SmallVector<DiagState *, 32> DiagStates; |
| 6234 | |
| 6235 | for (ModuleFile &F : ModuleMgr) { |
| 6236 | unsigned Idx = 0; |
| 6237 | auto &Record = F.PragmaDiagMappings; |
| 6238 | if (Record.empty()) |
| 6239 | continue; |
| 6240 | |
| 6241 | DiagStates.clear(); |
| 6242 | |
| 6243 | auto ReadDiagState = |
| 6244 | [&](const DiagState &BasedOn, SourceLocation Loc, |
| 6245 | bool IncludeNonPragmaStates) -> DiagnosticsEngine::DiagState * { |
| 6246 | unsigned BackrefID = Record[Idx++]; |
| 6247 | if (BackrefID != 0) |
| 6248 | return DiagStates[BackrefID - 1]; |
| 6249 | |
| 6250 | // A new DiagState was created here. |
| 6251 | Diag.DiagStates.push_back(BasedOn); |
| 6252 | DiagState *NewState = &Diag.DiagStates.back(); |
| 6253 | DiagStates.push_back(NewState); |
| 6254 | unsigned Size = Record[Idx++]; |
| 6255 | assert(Idx + Size * 2 <= Record.size() && |
| 6256 | "Invalid data, not enough diag/map pairs" ); |
| 6257 | while (Size--) { |
| 6258 | unsigned DiagID = Record[Idx++]; |
| 6259 | DiagnosticMapping NewMapping = |
| 6260 | DiagnosticMapping::deserialize(Record[Idx++]); |
| 6261 | if (!NewMapping.isPragma() && !IncludeNonPragmaStates) |
| 6262 | continue; |
| 6263 | |
| 6264 | DiagnosticMapping &Mapping = NewState->getOrAddMapping(DiagID); |
| 6265 | |
| 6266 | // If this mapping was specified as a warning but the severity was |
| 6267 | // upgraded due to diagnostic settings, simulate the current diagnostic |
| 6268 | // settings (and use a warning). |
| 6269 | if (NewMapping.wasUpgradedFromWarning() && !Mapping.isErrorOrFatal()) { |
| 6270 | NewMapping.setSeverity(diag::Severity::Warning); |
| 6271 | NewMapping.setUpgradedFromWarning(false); |
| 6272 | } |
| 6273 | |
| 6274 | Mapping = NewMapping; |
| 6275 | } |
| 6276 | return NewState; |
| 6277 | }; |
| 6278 | |
| 6279 | // Read the first state. |
| 6280 | DiagState *FirstState; |
| 6281 | if (F.Kind == MK_ImplicitModule) { |
| 6282 | // Implicitly-built modules are reused with different diagnostic |
| 6283 | // settings. Use the initial diagnostic state from Diag to simulate this |
| 6284 | // compilation's diagnostic settings. |
| 6285 | FirstState = Diag.DiagStatesByLoc.FirstDiagState; |
| 6286 | DiagStates.push_back(FirstState); |
| 6287 | |
| 6288 | // Skip the initial diagnostic state from the serialized module. |
| 6289 | assert(Record[1] == 0 && |
| 6290 | "Invalid data, unexpected backref in initial state" ); |
| 6291 | Idx = 3 + Record[2] * 2; |
| 6292 | assert(Idx < Record.size() && |
| 6293 | "Invalid data, not enough state change pairs in initial state" ); |
| 6294 | } else if (F.isModule()) { |
| 6295 | // For an explicit module, preserve the flags from the module build |
| 6296 | // command line (-w, -Weverything, -Werror, ...) along with any explicit |
| 6297 | // -Wblah flags. |
| 6298 | unsigned Flags = Record[Idx++]; |
| 6299 | DiagState Initial; |
| 6300 | Initial.SuppressSystemWarnings = Flags & 1; Flags >>= 1; |
| 6301 | Initial.ErrorsAsFatal = Flags & 1; Flags >>= 1; |
| 6302 | Initial.WarningsAsErrors = Flags & 1; Flags >>= 1; |
| 6303 | Initial.EnableAllWarnings = Flags & 1; Flags >>= 1; |
| 6304 | Initial.IgnoreAllWarnings = Flags & 1; Flags >>= 1; |
| 6305 | Initial.ExtBehavior = (diag::Severity)Flags; |
| 6306 | FirstState = ReadDiagState(Initial, SourceLocation(), true); |
| 6307 | |
| 6308 | assert(F.OriginalSourceFileID.isValid()); |
| 6309 | |
| 6310 | // Set up the root buffer of the module to start with the initial |
| 6311 | // diagnostic state of the module itself, to cover files that contain no |
| 6312 | // explicit transitions (for which we did not serialize anything). |
| 6313 | Diag.DiagStatesByLoc.Files[F.OriginalSourceFileID] |
| 6314 | .StateTransitions.push_back({FirstState, 0}); |
| 6315 | } else { |
| 6316 | // For prefix ASTs, start with whatever the user configured on the |
| 6317 | // command line. |
| 6318 | Idx++; // Skip flags. |
| 6319 | FirstState = ReadDiagState(*Diag.DiagStatesByLoc.CurDiagState, |
| 6320 | SourceLocation(), false); |
| 6321 | } |
| 6322 | |
| 6323 | // Read the state transitions. |
| 6324 | unsigned NumLocations = Record[Idx++]; |
| 6325 | while (NumLocations--) { |
| 6326 | assert(Idx < Record.size() && |
| 6327 | "Invalid data, missing pragma diagnostic states" ); |
| 6328 | SourceLocation Loc = ReadSourceLocation(F, Record[Idx++]); |
| 6329 | auto IDAndOffset = SourceMgr.getDecomposedLoc(Loc); |
| 6330 | assert(IDAndOffset.first.isValid() && "invalid FileID for transition" ); |
| 6331 | assert(IDAndOffset.second == 0 && "not a start location for a FileID" ); |
| 6332 | unsigned Transitions = Record[Idx++]; |
| 6333 | |
| 6334 | // Note that we don't need to set up Parent/ParentOffset here, because |
| 6335 | // we won't be changing the diagnostic state within imported FileIDs |
| 6336 | // (other than perhaps appending to the main source file, which has no |
| 6337 | // parent). |
| 6338 | auto &F = Diag.DiagStatesByLoc.Files[IDAndOffset.first]; |
| 6339 | F.StateTransitions.reserve(F.StateTransitions.size() + Transitions); |
| 6340 | for (unsigned I = 0; I != Transitions; ++I) { |
| 6341 | unsigned Offset = Record[Idx++]; |
| 6342 | auto *State = |
| 6343 | ReadDiagState(*FirstState, Loc.getLocWithOffset(Offset), false); |
| 6344 | F.StateTransitions.push_back({State, Offset}); |
| 6345 | } |
| 6346 | } |
| 6347 | |
| 6348 | // Read the final state. |
| 6349 | assert(Idx < Record.size() && |
| 6350 | "Invalid data, missing final pragma diagnostic state" ); |
| 6351 | SourceLocation CurStateLoc = |
| 6352 | ReadSourceLocation(F, F.PragmaDiagMappings[Idx++]); |
| 6353 | auto *CurState = ReadDiagState(*FirstState, CurStateLoc, false); |
| 6354 | |
| 6355 | if (!F.isModule()) { |
| 6356 | Diag.DiagStatesByLoc.CurDiagState = CurState; |
| 6357 | Diag.DiagStatesByLoc.CurDiagStateLoc = CurStateLoc; |
| 6358 | |
| 6359 | // Preserve the property that the imaginary root file describes the |
| 6360 | // current state. |
| 6361 | FileID NullFile; |
| 6362 | auto &T = Diag.DiagStatesByLoc.Files[NullFile].StateTransitions; |
| 6363 | if (T.empty()) |
| 6364 | T.push_back({CurState, 0}); |
| 6365 | else |
| 6366 | T[0].State = CurState; |
| 6367 | } |
| 6368 | |
| 6369 | // Don't try to read these mappings again. |
| 6370 | Record.clear(); |
| 6371 | } |
| 6372 | } |
| 6373 | |
| 6374 | /// Get the correct cursor and offset for loading a type. |
| 6375 | ASTReader::RecordLocation ASTReader::TypeCursorForIndex(unsigned Index) { |
| 6376 | GlobalTypeMapType::iterator I = GlobalTypeMap.find(Index); |
| 6377 | assert(I != GlobalTypeMap.end() && "Corrupted global type map" ); |
| 6378 | ModuleFile *M = I->second; |
| 6379 | return RecordLocation( |
| 6380 | M, M->TypeOffsets[Index - M->BaseTypeIndex].getBitOffset() + |
| 6381 | M->DeclsBlockStartOffset); |
| 6382 | } |
| 6383 | |
| 6384 | static llvm::Optional<Type::TypeClass> getTypeClassForCode(TypeCode code) { |
| 6385 | switch (code) { |
| 6386 | #define TYPE_BIT_CODE(CLASS_ID, CODE_ID, CODE_VALUE) \ |
| 6387 | case TYPE_##CODE_ID: return Type::CLASS_ID; |
| 6388 | #include "clang/Serialization/TypeBitCodes.def" |
| 6389 | default: return llvm::None; |
| 6390 | } |
| 6391 | } |
| 6392 | |
| 6393 | /// Read and return the type with the given index.. |
| 6394 | /// |
| 6395 | /// The index is the type ID, shifted and minus the number of predefs. This |
| 6396 | /// routine actually reads the record corresponding to the type at the given |
| 6397 | /// location. It is a helper routine for GetType, which deals with reading type |
| 6398 | /// IDs. |
| 6399 | QualType ASTReader::readTypeRecord(unsigned Index) { |
| 6400 | assert(ContextObj && "reading type with no AST context" ); |
| 6401 | ASTContext &Context = *ContextObj; |
| 6402 | RecordLocation Loc = TypeCursorForIndex(Index); |
| 6403 | BitstreamCursor &DeclsCursor = Loc.F->DeclsCursor; |
| 6404 | |
| 6405 | // Keep track of where we are in the stream, then jump back there |
| 6406 | // after reading this type. |
| 6407 | SavedStreamPosition SavedPosition(DeclsCursor); |
| 6408 | |
| 6409 | ReadingKindTracker ReadingKind(Read_Type, *this); |
| 6410 | |
| 6411 | // Note that we are loading a type record. |
| 6412 | Deserializing AType(this); |
| 6413 | |
| 6414 | if (llvm::Error Err = DeclsCursor.JumpToBit(Loc.Offset)) { |
| 6415 | Error(std::move(Err)); |
| 6416 | return QualType(); |
| 6417 | } |
| 6418 | Expected<unsigned> RawCode = DeclsCursor.ReadCode(); |
| 6419 | if (!RawCode) { |
| 6420 | Error(RawCode.takeError()); |
| 6421 | return QualType(); |
| 6422 | } |
| 6423 | |
| 6424 | ASTRecordReader Record(*this, *Loc.F); |
| 6425 | Expected<unsigned> Code = Record.readRecord(DeclsCursor, RawCode.get()); |
| 6426 | if (!Code) { |
| 6427 | Error(Code.takeError()); |
| 6428 | return QualType(); |
| 6429 | } |
| 6430 | if (Code.get() == TYPE_EXT_QUAL) { |
| 6431 | QualType baseType = Record.readQualType(); |
| 6432 | Qualifiers quals = Record.readQualifiers(); |
| 6433 | return Context.getQualifiedType(baseType, quals); |
| 6434 | } |
| 6435 | |
| 6436 | auto maybeClass = getTypeClassForCode((TypeCode) Code.get()); |
| 6437 | if (!maybeClass) { |
| 6438 | Error("Unexpected code for type" ); |
| 6439 | return QualType(); |
| 6440 | } |
| 6441 | |
| 6442 | serialization::AbstractTypeReader<ASTRecordReader> TypeReader(Record); |
| 6443 | return TypeReader.read(*maybeClass); |
| 6444 | } |
| 6445 | |
| 6446 | namespace clang { |
| 6447 | |
| 6448 | class TypeLocReader : public TypeLocVisitor<TypeLocReader> { |
| 6449 | ASTRecordReader &Reader; |
| 6450 | |
| 6451 | SourceLocation readSourceLocation() { |
| 6452 | return Reader.readSourceLocation(); |
| 6453 | } |
| 6454 | |
| 6455 | TypeSourceInfo *GetTypeSourceInfo() { |
| 6456 | return Reader.readTypeSourceInfo(); |
| 6457 | } |
| 6458 | |
| 6459 | NestedNameSpecifierLoc ReadNestedNameSpecifierLoc() { |
| 6460 | return Reader.readNestedNameSpecifierLoc(); |
| 6461 | } |
| 6462 | |
| 6463 | Attr *ReadAttr() { |
| 6464 | return Reader.readAttr(); |
| 6465 | } |
| 6466 | |
| 6467 | public: |
| 6468 | TypeLocReader(ASTRecordReader &Reader) : Reader(Reader) {} |
| 6469 | |
| 6470 | // We want compile-time assurance that we've enumerated all of |
| 6471 | // these, so unfortunately we have to declare them first, then |
| 6472 | // define them out-of-line. |
| 6473 | #define ABSTRACT_TYPELOC(CLASS, PARENT) |
| 6474 | #define TYPELOC(CLASS, PARENT) \ |
| 6475 | void Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc); |
| 6476 | #include "clang/AST/TypeLocNodes.def" |
| 6477 | |
| 6478 | void VisitFunctionTypeLoc(FunctionTypeLoc); |
| 6479 | void VisitArrayTypeLoc(ArrayTypeLoc); |
| 6480 | }; |
| 6481 | |
| 6482 | } // namespace clang |
| 6483 | |
| 6484 | void TypeLocReader::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) { |
| 6485 | // nothing to do |
| 6486 | } |
| 6487 | |
| 6488 | void TypeLocReader::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) { |
| 6489 | TL.setBuiltinLoc(readSourceLocation()); |
| 6490 | if (TL.needsExtraLocalData()) { |
| 6491 | TL.setWrittenTypeSpec(static_cast<DeclSpec::TST>(Reader.readInt())); |
| 6492 | TL.setWrittenSignSpec(static_cast<TypeSpecifierSign>(Reader.readInt())); |
| 6493 | TL.setWrittenWidthSpec(static_cast<TypeSpecifierWidth>(Reader.readInt())); |
| 6494 | TL.setModeAttr(Reader.readInt()); |
| 6495 | } |
| 6496 | } |
| 6497 | |
| 6498 | void TypeLocReader::VisitComplexTypeLoc(ComplexTypeLoc TL) { |
| 6499 | TL.setNameLoc(readSourceLocation()); |
| 6500 | } |
| 6501 | |
| 6502 | void TypeLocReader::VisitPointerTypeLoc(PointerTypeLoc TL) { |
| 6503 | TL.setStarLoc(readSourceLocation()); |
| 6504 | } |
| 6505 | |
| 6506 | void TypeLocReader::VisitDecayedTypeLoc(DecayedTypeLoc TL) { |
| 6507 | // nothing to do |
| 6508 | } |
| 6509 | |
| 6510 | void TypeLocReader::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) { |
| 6511 | // nothing to do |
| 6512 | } |
| 6513 | |
| 6514 | void TypeLocReader::VisitMacroQualifiedTypeLoc(MacroQualifiedTypeLoc TL) { |
| 6515 | TL.setExpansionLoc(readSourceLocation()); |
| 6516 | } |
| 6517 | |
| 6518 | void TypeLocReader::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) { |
| 6519 | TL.setCaretLoc(readSourceLocation()); |
| 6520 | } |
| 6521 | |
| 6522 | void TypeLocReader::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) { |
| 6523 | TL.setAmpLoc(readSourceLocation()); |
| 6524 | } |
| 6525 | |
| 6526 | void TypeLocReader::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) { |
| 6527 | TL.setAmpAmpLoc(readSourceLocation()); |
| 6528 | } |
| 6529 | |
| 6530 | void TypeLocReader::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) { |
| 6531 | TL.setStarLoc(readSourceLocation()); |
| 6532 | TL.setClassTInfo(GetTypeSourceInfo()); |
| 6533 | } |
| 6534 | |
| 6535 | void TypeLocReader::VisitArrayTypeLoc(ArrayTypeLoc TL) { |
| 6536 | TL.setLBracketLoc(readSourceLocation()); |
| 6537 | TL.setRBracketLoc(readSourceLocation()); |
| 6538 | if (Reader.readBool()) |
| 6539 | TL.setSizeExpr(Reader.readExpr()); |
| 6540 | else |
| 6541 | TL.setSizeExpr(nullptr); |
| 6542 | } |
| 6543 | |
| 6544 | void TypeLocReader::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) { |
| 6545 | VisitArrayTypeLoc(TL); |
| 6546 | } |
| 6547 | |
| 6548 | void TypeLocReader::VisitIncompleteArrayTypeLoc(IncompleteArrayTypeLoc TL) { |
| 6549 | VisitArrayTypeLoc(TL); |
| 6550 | } |
| 6551 | |
| 6552 | void TypeLocReader::VisitVariableArrayTypeLoc(VariableArrayTypeLoc TL) { |
| 6553 | VisitArrayTypeLoc(TL); |
| 6554 | } |
| 6555 | |
| 6556 | void TypeLocReader::VisitDependentSizedArrayTypeLoc( |
| 6557 | DependentSizedArrayTypeLoc TL) { |
| 6558 | VisitArrayTypeLoc(TL); |
| 6559 | } |
| 6560 | |
| 6561 | void TypeLocReader::VisitDependentAddressSpaceTypeLoc( |
| 6562 | DependentAddressSpaceTypeLoc TL) { |
| 6563 | |
| 6564 | TL.setAttrNameLoc(readSourceLocation()); |
| 6565 | TL.setAttrOperandParensRange(Reader.readSourceRange()); |
| 6566 | TL.setAttrExprOperand(Reader.readExpr()); |
| 6567 | } |
| 6568 | |
| 6569 | void TypeLocReader::VisitDependentSizedExtVectorTypeLoc( |
| 6570 | DependentSizedExtVectorTypeLoc TL) { |
| 6571 | TL.setNameLoc(readSourceLocation()); |
| 6572 | } |
| 6573 | |
| 6574 | void TypeLocReader::VisitVectorTypeLoc(VectorTypeLoc TL) { |
| 6575 | TL.setNameLoc(readSourceLocation()); |
| 6576 | } |
| 6577 | |
| 6578 | void TypeLocReader::VisitDependentVectorTypeLoc( |
| 6579 | DependentVectorTypeLoc TL) { |
| 6580 | TL.setNameLoc(readSourceLocation()); |
| 6581 | } |
| 6582 | |
| 6583 | void TypeLocReader::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) { |
| 6584 | TL.setNameLoc(readSourceLocation()); |
| 6585 | } |
| 6586 | |
| 6587 | void TypeLocReader::VisitConstantMatrixTypeLoc(ConstantMatrixTypeLoc TL) { |
| 6588 | TL.setAttrNameLoc(readSourceLocation()); |
| 6589 | TL.setAttrOperandParensRange(Reader.readSourceRange()); |
| 6590 | TL.setAttrRowOperand(Reader.readExpr()); |
| 6591 | TL.setAttrColumnOperand(Reader.readExpr()); |
| 6592 | } |
| 6593 | |
| 6594 | void TypeLocReader::VisitDependentSizedMatrixTypeLoc( |
| 6595 | DependentSizedMatrixTypeLoc TL) { |
| 6596 | TL.setAttrNameLoc(readSourceLocation()); |
| 6597 | TL.setAttrOperandParensRange(Reader.readSourceRange()); |
| 6598 | TL.setAttrRowOperand(Reader.readExpr()); |
| 6599 | TL.setAttrColumnOperand(Reader.readExpr()); |
| 6600 | } |
| 6601 | |
| 6602 | void TypeLocReader::VisitFunctionTypeLoc(FunctionTypeLoc TL) { |
| 6603 | TL.setLocalRangeBegin(readSourceLocation()); |
| 6604 | TL.setLParenLoc(readSourceLocation()); |
| 6605 | TL.setRParenLoc(readSourceLocation()); |
| 6606 | TL.setExceptionSpecRange(Reader.readSourceRange()); |
| 6607 | TL.setLocalRangeEnd(readSourceLocation()); |
| 6608 | for (unsigned i = 0, e = TL.getNumParams(); i != e; ++i) { |
| 6609 | TL.setParam(i, Reader.readDeclAs<ParmVarDecl>()); |
| 6610 | } |
| 6611 | } |
| 6612 | |
| 6613 | void TypeLocReader::VisitFunctionProtoTypeLoc(FunctionProtoTypeLoc TL) { |
| 6614 | VisitFunctionTypeLoc(TL); |
| 6615 | } |
| 6616 | |
| 6617 | void TypeLocReader::VisitFunctionNoProtoTypeLoc(FunctionNoProtoTypeLoc TL) { |
| 6618 | VisitFunctionTypeLoc(TL); |
| 6619 | } |
| 6620 | |
| 6621 | void TypeLocReader::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) { |
| 6622 | TL.setNameLoc(readSourceLocation()); |
| 6623 | } |
| 6624 | |
| 6625 | void TypeLocReader::VisitTypedefTypeLoc(TypedefTypeLoc TL) { |
| 6626 | TL.setNameLoc(readSourceLocation()); |
| 6627 | } |
| 6628 | |
| 6629 | void TypeLocReader::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) { |
| 6630 | TL.setTypeofLoc(readSourceLocation()); |
| 6631 | TL.setLParenLoc(readSourceLocation()); |
| 6632 | TL.setRParenLoc(readSourceLocation()); |
| 6633 | } |
| 6634 | |
| 6635 | void TypeLocReader::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) { |
| 6636 | TL.setTypeofLoc(readSourceLocation()); |
| 6637 | TL.setLParenLoc(readSourceLocation()); |
| 6638 | TL.setRParenLoc(readSourceLocation()); |
| 6639 | TL.setUnderlyingTInfo(GetTypeSourceInfo()); |
| 6640 | } |
| 6641 | |
| 6642 | void TypeLocReader::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) { |
| 6643 | TL.setNameLoc(readSourceLocation()); |
| 6644 | } |
| 6645 | |
| 6646 | void TypeLocReader::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) { |
| 6647 | TL.setKWLoc(readSourceLocation()); |
| 6648 | TL.setLParenLoc(readSourceLocation()); |
| 6649 | TL.setRParenLoc(readSourceLocation()); |
| 6650 | TL.setUnderlyingTInfo(GetTypeSourceInfo()); |
| 6651 | } |
| 6652 | |
| 6653 | void TypeLocReader::VisitAutoTypeLoc(AutoTypeLoc TL) { |
| 6654 | TL.setNameLoc(readSourceLocation()); |
| 6655 | if (Reader.readBool()) { |
| 6656 | TL.setNestedNameSpecifierLoc(ReadNestedNameSpecifierLoc()); |
| 6657 | TL.setTemplateKWLoc(readSourceLocation()); |
| 6658 | TL.setConceptNameLoc(readSourceLocation()); |
| 6659 | TL.setFoundDecl(Reader.readDeclAs<NamedDecl>()); |
| 6660 | TL.setLAngleLoc(readSourceLocation()); |
| 6661 | TL.setRAngleLoc(readSourceLocation()); |
| 6662 | for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) |
| 6663 | TL.setArgLocInfo(i, Reader.readTemplateArgumentLocInfo( |
| 6664 | TL.getTypePtr()->getArg(i).getKind())); |
| 6665 | } |
| 6666 | } |
| 6667 | |
| 6668 | void TypeLocReader::VisitDeducedTemplateSpecializationTypeLoc( |
| 6669 | DeducedTemplateSpecializationTypeLoc TL) { |
| 6670 | TL.setTemplateNameLoc(readSourceLocation()); |
| 6671 | } |
| 6672 | |
| 6673 | void TypeLocReader::VisitRecordTypeLoc(RecordTypeLoc TL) { |
| 6674 | TL.setNameLoc(readSourceLocation()); |
| 6675 | } |
| 6676 | |
| 6677 | void TypeLocReader::VisitEnumTypeLoc(EnumTypeLoc TL) { |
| 6678 | TL.setNameLoc(readSourceLocation()); |
| 6679 | } |
| 6680 | |
| 6681 | void TypeLocReader::VisitAttributedTypeLoc(AttributedTypeLoc TL) { |
| 6682 | TL.setAttr(ReadAttr()); |
| 6683 | } |
| 6684 | |
| 6685 | void TypeLocReader::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) { |
| 6686 | TL.setNameLoc(readSourceLocation()); |
| 6687 | } |
| 6688 | |
| 6689 | void TypeLocReader::VisitSubstTemplateTypeParmTypeLoc( |
| 6690 | SubstTemplateTypeParmTypeLoc TL) { |
| 6691 | TL.setNameLoc(readSourceLocation()); |
| 6692 | } |
| 6693 | |
| 6694 | void TypeLocReader::VisitSubstTemplateTypeParmPackTypeLoc( |
| 6695 | SubstTemplateTypeParmPackTypeLoc TL) { |
| 6696 | TL.setNameLoc(readSourceLocation()); |
| 6697 | } |
| 6698 | |
| 6699 | void TypeLocReader::VisitTemplateSpecializationTypeLoc( |
| 6700 | TemplateSpecializationTypeLoc TL) { |
| 6701 | TL.setTemplateKeywordLoc(readSourceLocation()); |
| 6702 | TL.setTemplateNameLoc(readSourceLocation()); |
| 6703 | TL.setLAngleLoc(readSourceLocation()); |
| 6704 | TL.setRAngleLoc(readSourceLocation()); |
| 6705 | for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) |
| 6706 | TL.setArgLocInfo( |
| 6707 | i, |
| 6708 | Reader.readTemplateArgumentLocInfo( |
| 6709 | TL.getTypePtr()->getArg(i).getKind())); |
| 6710 | } |
| 6711 | |
| 6712 | void TypeLocReader::VisitParenTypeLoc(ParenTypeLoc TL) { |
| 6713 | TL.setLParenLoc(readSourceLocation()); |
| 6714 | TL.setRParenLoc(readSourceLocation()); |
| 6715 | } |
| 6716 | |
| 6717 | void TypeLocReader::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) { |
| 6718 | TL.setElaboratedKeywordLoc(readSourceLocation()); |
| 6719 | TL.setQualifierLoc(ReadNestedNameSpecifierLoc()); |
| 6720 | } |
| 6721 | |
| 6722 | void TypeLocReader::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) { |
| 6723 | TL.setNameLoc(readSourceLocation()); |
| 6724 | } |
| 6725 | |
| 6726 | void TypeLocReader::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) { |
| 6727 | TL.setElaboratedKeywordLoc(readSourceLocation()); |
| 6728 | TL.setQualifierLoc(ReadNestedNameSpecifierLoc()); |
| 6729 | TL.setNameLoc(readSourceLocation()); |
| 6730 | } |
| 6731 | |
| 6732 | void TypeLocReader::VisitDependentTemplateSpecializationTypeLoc( |
| 6733 | DependentTemplateSpecializationTypeLoc TL) { |
| 6734 | TL.setElaboratedKeywordLoc(readSourceLocation()); |
| 6735 | TL.setQualifierLoc(ReadNestedNameSpecifierLoc()); |
| 6736 | TL.setTemplateKeywordLoc(readSourceLocation()); |
| 6737 | TL.setTemplateNameLoc(readSourceLocation()); |
| 6738 | TL.setLAngleLoc(readSourceLocation()); |
| 6739 | TL.setRAngleLoc(readSourceLocation()); |
| 6740 | for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I) |
| 6741 | TL.setArgLocInfo( |
| 6742 | I, |
| 6743 | Reader.readTemplateArgumentLocInfo( |
| 6744 | TL.getTypePtr()->getArg(I).getKind())); |
| 6745 | } |
| 6746 | |
| 6747 | void TypeLocReader::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) { |
| 6748 | TL.setEllipsisLoc(readSourceLocation()); |
| 6749 | } |
| 6750 | |
| 6751 | void TypeLocReader::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) { |
| 6752 | TL.setNameLoc(readSourceLocation()); |
| 6753 | } |
| 6754 | |
| 6755 | void TypeLocReader::VisitObjCTypeParamTypeLoc(ObjCTypeParamTypeLoc TL) { |
| 6756 | if (TL.getNumProtocols()) { |
| 6757 | TL.setProtocolLAngleLoc(readSourceLocation()); |
| 6758 | TL.setProtocolRAngleLoc(readSourceLocation()); |
| 6759 | } |
| 6760 | for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i) |
| 6761 | TL.setProtocolLoc(i, readSourceLocation()); |
| 6762 | } |
| 6763 | |
| 6764 | void TypeLocReader::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) { |
| 6765 | TL.setHasBaseTypeAsWritten(Reader.readBool()); |
| 6766 | TL.setTypeArgsLAngleLoc(readSourceLocation()); |
| 6767 | TL.setTypeArgsRAngleLoc(readSourceLocation()); |
| 6768 | for (unsigned i = 0, e = TL.getNumTypeArgs(); i != e; ++i) |
| 6769 | TL.setTypeArgTInfo(i, GetTypeSourceInfo()); |
| 6770 | TL.setProtocolLAngleLoc(readSourceLocation()); |
| 6771 | TL.setProtocolRAngleLoc(readSourceLocation()); |
| 6772 | for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i) |
| 6773 | TL.setProtocolLoc(i, readSourceLocation()); |
| 6774 | } |
| 6775 | |
| 6776 | void TypeLocReader::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) { |
| 6777 | TL.setStarLoc(readSourceLocation()); |
| 6778 | } |
| 6779 | |
| 6780 | void TypeLocReader::VisitAtomicTypeLoc(AtomicTypeLoc TL) { |
| 6781 | TL.setKWLoc(readSourceLocation()); |
| 6782 | TL.setLParenLoc(readSourceLocation()); |
| 6783 | TL.setRParenLoc(readSourceLocation()); |
| 6784 | } |
| 6785 | |
| 6786 | void TypeLocReader::VisitPipeTypeLoc(PipeTypeLoc TL) { |
| 6787 | TL.setKWLoc(readSourceLocation()); |
| 6788 | } |
| 6789 | |
| 6790 | void TypeLocReader::VisitExtIntTypeLoc(clang::ExtIntTypeLoc TL) { |
| 6791 | TL.setNameLoc(readSourceLocation()); |
| 6792 | } |
| 6793 | void TypeLocReader::VisitDependentExtIntTypeLoc( |
| 6794 | clang::DependentExtIntTypeLoc TL) { |
| 6795 | TL.setNameLoc(readSourceLocation()); |
| 6796 | } |
| 6797 | |
| 6798 | |
| 6799 | void ASTRecordReader::readTypeLoc(TypeLoc TL) { |
| 6800 | TypeLocReader TLR(*this); |
| 6801 | for (; !TL.isNull(); TL = TL.getNextTypeLoc()) |
| 6802 | TLR.Visit(TL); |
| 6803 | } |
| 6804 | |
| 6805 | TypeSourceInfo *ASTRecordReader::readTypeSourceInfo() { |
| 6806 | QualType InfoTy = readType(); |
| 6807 | if (InfoTy.isNull()) |
| 6808 | return nullptr; |
| 6809 | |
| 6810 | TypeSourceInfo *TInfo = getContext().CreateTypeSourceInfo(InfoTy); |
| 6811 | readTypeLoc(TInfo->getTypeLoc()); |
| 6812 | return TInfo; |
| 6813 | } |
| 6814 | |
| 6815 | QualType ASTReader::GetType(TypeID ID) { |
| 6816 | assert(ContextObj && "reading type with no AST context" ); |
| 6817 | ASTContext &Context = *ContextObj; |
| 6818 | |
| 6819 | unsigned FastQuals = ID & Qualifiers::FastMask; |
| 6820 | unsigned Index = ID >> Qualifiers::FastWidth; |
| 6821 | |
| 6822 | if (Index < NUM_PREDEF_TYPE_IDS) { |
| 6823 | QualType T; |
| 6824 | switch ((PredefinedTypeIDs)Index) { |
| 6825 | case PREDEF_TYPE_NULL_ID: |
| 6826 | return QualType(); |
| 6827 | case PREDEF_TYPE_VOID_ID: |
| 6828 | T = Context.VoidTy; |
| 6829 | break; |
| 6830 | case PREDEF_TYPE_BOOL_ID: |
| 6831 | T = Context.BoolTy; |
| 6832 | break; |
| 6833 | case PREDEF_TYPE_CHAR_U_ID: |
| 6834 | case PREDEF_TYPE_CHAR_S_ID: |
| 6835 | // FIXME: Check that the signedness of CharTy is correct! |
| 6836 | T = Context.CharTy; |
| 6837 | break; |
| 6838 | case PREDEF_TYPE_UCHAR_ID: |
| 6839 | T = Context.UnsignedCharTy; |
| 6840 | break; |
| 6841 | case PREDEF_TYPE_USHORT_ID: |
| 6842 | T = Context.UnsignedShortTy; |
| 6843 | break; |
| 6844 | case PREDEF_TYPE_UINT_ID: |
| 6845 | T = Context.UnsignedIntTy; |
| 6846 | break; |
| 6847 | case PREDEF_TYPE_ULONG_ID: |
| 6848 | T = Context.UnsignedLongTy; |
| 6849 | break; |
| 6850 | case PREDEF_TYPE_ULONGLONG_ID: |
| 6851 | T = Context.UnsignedLongLongTy; |
| 6852 | break; |
| 6853 | case PREDEF_TYPE_UINT128_ID: |
| 6854 | T = Context.UnsignedInt128Ty; |
| 6855 | break; |
| 6856 | case PREDEF_TYPE_SCHAR_ID: |
| 6857 | T = Context.SignedCharTy; |
| 6858 | break; |
| 6859 | case PREDEF_TYPE_WCHAR_ID: |
| 6860 | T = Context.WCharTy; |
| 6861 | break; |
| 6862 | case PREDEF_TYPE_SHORT_ID: |
| 6863 | T = Context.ShortTy; |
| 6864 | break; |
| 6865 | case PREDEF_TYPE_INT_ID: |
| 6866 | T = Context.IntTy; |
| 6867 | break; |
| 6868 | case PREDEF_TYPE_LONG_ID: |
| 6869 | T = Context.LongTy; |
| 6870 | break; |
| 6871 | case PREDEF_TYPE_LONGLONG_ID: |
| 6872 | T = Context.LongLongTy; |
| 6873 | break; |
| 6874 | case PREDEF_TYPE_INT128_ID: |
| 6875 | T = Context.Int128Ty; |
| 6876 | break; |
| 6877 | case PREDEF_TYPE_BFLOAT16_ID: |
| 6878 | T = Context.BFloat16Ty; |
| 6879 | break; |
| 6880 | case PREDEF_TYPE_HALF_ID: |
| 6881 | T = Context.HalfTy; |
| 6882 | break; |
| 6883 | case PREDEF_TYPE_FLOAT_ID: |
| 6884 | T = Context.FloatTy; |
| 6885 | break; |
| 6886 | case PREDEF_TYPE_DOUBLE_ID: |
| 6887 | T = Context.DoubleTy; |
| 6888 | break; |
| 6889 | case PREDEF_TYPE_LONGDOUBLE_ID: |
| 6890 | T = Context.LongDoubleTy; |
| 6891 | break; |
| 6892 | case PREDEF_TYPE_SHORT_ACCUM_ID: |
| 6893 | T = Context.ShortAccumTy; |
| 6894 | break; |
| 6895 | case PREDEF_TYPE_ACCUM_ID: |
| 6896 | T = Context.AccumTy; |
| 6897 | break; |
| 6898 | case PREDEF_TYPE_LONG_ACCUM_ID: |
| 6899 | T = Context.LongAccumTy; |
| 6900 | break; |
| 6901 | case PREDEF_TYPE_USHORT_ACCUM_ID: |
| 6902 | T = Context.UnsignedShortAccumTy; |
| 6903 | break; |
| 6904 | case PREDEF_TYPE_UACCUM_ID: |
| 6905 | T = Context.UnsignedAccumTy; |
| 6906 | break; |
| 6907 | case PREDEF_TYPE_ULONG_ACCUM_ID: |
| 6908 | T = Context.UnsignedLongAccumTy; |
| 6909 | break; |
| 6910 | case PREDEF_TYPE_SHORT_FRACT_ID: |
| 6911 | T = Context.ShortFractTy; |
| 6912 | break; |
| 6913 | case PREDEF_TYPE_FRACT_ID: |
| 6914 | T = Context.FractTy; |
| 6915 | break; |
| 6916 | case PREDEF_TYPE_LONG_FRACT_ID: |
| 6917 | T = Context.LongFractTy; |
| 6918 | break; |
| 6919 | case PREDEF_TYPE_USHORT_FRACT_ID: |
| 6920 | T = Context.UnsignedShortFractTy; |
| 6921 | break; |
| 6922 | case PREDEF_TYPE_UFRACT_ID: |
| 6923 | T = Context.UnsignedFractTy; |
| 6924 | break; |
| 6925 | case PREDEF_TYPE_ULONG_FRACT_ID: |
| 6926 | T = Context.UnsignedLongFractTy; |
| 6927 | break; |
| 6928 | case PREDEF_TYPE_SAT_SHORT_ACCUM_ID: |
| 6929 | T = Context.SatShortAccumTy; |
| 6930 | break; |
| 6931 | case PREDEF_TYPE_SAT_ACCUM_ID: |
| 6932 | T = Context.SatAccumTy; |
| 6933 | break; |
| 6934 | case PREDEF_TYPE_SAT_LONG_ACCUM_ID: |
| 6935 | T = Context.SatLongAccumTy; |
| 6936 | break; |
| 6937 | case PREDEF_TYPE_SAT_USHORT_ACCUM_ID: |
| 6938 | T = Context.SatUnsignedShortAccumTy; |
| 6939 | break; |
| 6940 | case PREDEF_TYPE_SAT_UACCUM_ID: |
| 6941 | T = Context.SatUnsignedAccumTy; |
| 6942 | break; |
| 6943 | case PREDEF_TYPE_SAT_ULONG_ACCUM_ID: |
| 6944 | T = Context.SatUnsignedLongAccumTy; |
| 6945 | break; |
| 6946 | case PREDEF_TYPE_SAT_SHORT_FRACT_ID: |
| 6947 | T = Context.SatShortFractTy; |
| 6948 | break; |
| 6949 | case PREDEF_TYPE_SAT_FRACT_ID: |
| 6950 | T = Context.SatFractTy; |
| 6951 | break; |
| 6952 | case PREDEF_TYPE_SAT_LONG_FRACT_ID: |
| 6953 | T = Context.SatLongFractTy; |
| 6954 | break; |
| 6955 | case PREDEF_TYPE_SAT_USHORT_FRACT_ID: |
| 6956 | T = Context.SatUnsignedShortFractTy; |
| 6957 | break; |
| 6958 | case PREDEF_TYPE_SAT_UFRACT_ID: |
| 6959 | T = Context.SatUnsignedFractTy; |
| 6960 | break; |
| 6961 | case PREDEF_TYPE_SAT_ULONG_FRACT_ID: |
| 6962 | T = Context.SatUnsignedLongFractTy; |
| 6963 | break; |
| 6964 | case PREDEF_TYPE_FLOAT16_ID: |
| 6965 | T = Context.Float16Ty; |
| 6966 | break; |
| 6967 | case PREDEF_TYPE_FLOAT128_ID: |
| 6968 | T = Context.Float128Ty; |
| 6969 | break; |
| 6970 | case PREDEF_TYPE_OVERLOAD_ID: |
| 6971 | T = Context.OverloadTy; |
| 6972 | break; |
| 6973 | case PREDEF_TYPE_BOUND_MEMBER: |
| 6974 | T = Context.BoundMemberTy; |
| 6975 | break; |
| 6976 | case PREDEF_TYPE_PSEUDO_OBJECT: |
| 6977 | T = Context.PseudoObjectTy; |
| 6978 | break; |
| 6979 | case PREDEF_TYPE_DEPENDENT_ID: |
| 6980 | T = Context.DependentTy; |
| 6981 | break; |
| 6982 | case PREDEF_TYPE_UNKNOWN_ANY: |
| 6983 | T = Context.UnknownAnyTy; |
| 6984 | break; |
| 6985 | case PREDEF_TYPE_NULLPTR_ID: |
| 6986 | T = Context.NullPtrTy; |
| 6987 | break; |
| 6988 | case PREDEF_TYPE_CHAR8_ID: |
| 6989 | T = Context.Char8Ty; |
| 6990 | break; |
| 6991 | case PREDEF_TYPE_CHAR16_ID: |
| 6992 | T = Context.Char16Ty; |
| 6993 | break; |
| 6994 | case PREDEF_TYPE_CHAR32_ID: |
| 6995 | T = Context.Char32Ty; |
| 6996 | break; |
| 6997 | case PREDEF_TYPE_OBJC_ID: |
| 6998 | T = Context.ObjCBuiltinIdTy; |
| 6999 | break; |
| 7000 | case PREDEF_TYPE_OBJC_CLASS: |
| 7001 | T = Context.ObjCBuiltinClassTy; |
| 7002 | break; |
| 7003 | case PREDEF_TYPE_OBJC_SEL: |
| 7004 | T = Context.ObjCBuiltinSelTy; |
| 7005 | break; |
| 7006 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ |
| 7007 | case PREDEF_TYPE_##Id##_ID: \ |
| 7008 | T = Context.SingletonId; \ |
| 7009 | break; |
| 7010 | #include "clang/Basic/OpenCLImageTypes.def" |
| 7011 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ |
| 7012 | case PREDEF_TYPE_##Id##_ID: \ |
| 7013 | T = Context.Id##Ty; \ |
| 7014 | break; |
| 7015 | #include "clang/Basic/OpenCLExtensionTypes.def" |
| 7016 | case PREDEF_TYPE_SAMPLER_ID: |
| 7017 | T = Context.OCLSamplerTy; |
| 7018 | break; |
| 7019 | case PREDEF_TYPE_EVENT_ID: |
| 7020 | T = Context.OCLEventTy; |
| 7021 | break; |
| 7022 | case PREDEF_TYPE_CLK_EVENT_ID: |
| 7023 | T = Context.OCLClkEventTy; |
| 7024 | break; |
| 7025 | case PREDEF_TYPE_QUEUE_ID: |
| 7026 | T = Context.OCLQueueTy; |
| 7027 | break; |
| 7028 | case PREDEF_TYPE_RESERVE_ID_ID: |
| 7029 | T = Context.OCLReserveIDTy; |
| 7030 | break; |
| 7031 | case PREDEF_TYPE_AUTO_DEDUCT: |
| 7032 | T = Context.getAutoDeductType(); |
| 7033 | break; |
| 7034 | case PREDEF_TYPE_AUTO_RREF_DEDUCT: |
| 7035 | T = Context.getAutoRRefDeductType(); |
| 7036 | break; |
| 7037 | case PREDEF_TYPE_ARC_UNBRIDGED_CAST: |
| 7038 | T = Context.ARCUnbridgedCastTy; |
| 7039 | break; |
| 7040 | case PREDEF_TYPE_BUILTIN_FN: |
| 7041 | T = Context.BuiltinFnTy; |
| 7042 | break; |
| 7043 | case PREDEF_TYPE_INCOMPLETE_MATRIX_IDX: |
| 7044 | T = Context.IncompleteMatrixIdxTy; |
| 7045 | break; |
| 7046 | case PREDEF_TYPE_OMP_ARRAY_SECTION: |
| 7047 | T = Context.OMPArraySectionTy; |
| 7048 | break; |
| 7049 | case PREDEF_TYPE_OMP_ARRAY_SHAPING: |
| 7050 | T = Context.OMPArraySectionTy; |
| 7051 | break; |
| 7052 | case PREDEF_TYPE_OMP_ITERATOR: |
| 7053 | T = Context.OMPIteratorTy; |
| 7054 | break; |
| 7055 | #define SVE_TYPE(Name, Id, SingletonId) \ |
| 7056 | case PREDEF_TYPE_##Id##_ID: \ |
| 7057 | T = Context.SingletonId; \ |
| 7058 | break; |
| 7059 | #include "clang/Basic/AArch64SVEACLETypes.def" |
| 7060 | #define PPC_VECTOR_TYPE(Name, Id, Size) \ |
| 7061 | case PREDEF_TYPE_##Id##_ID: \ |
| 7062 | T = Context.Id##Ty; \ |
| 7063 | break; |
| 7064 | #include "clang/Basic/PPCTypes.def" |
| 7065 | } |
| 7066 | |
| 7067 | assert(!T.isNull() && "Unknown predefined type" ); |
| 7068 | return T.withFastQualifiers(FastQuals); |
| 7069 | } |
| 7070 | |
| 7071 | Index -= NUM_PREDEF_TYPE_IDS; |
| 7072 | assert(Index < TypesLoaded.size() && "Type index out-of-range" ); |
| 7073 | if (TypesLoaded[Index].isNull()) { |
| 7074 | TypesLoaded[Index] = readTypeRecord(Index); |
| 7075 | if (TypesLoaded[Index].isNull()) |
| 7076 | return QualType(); |
| 7077 | |
| 7078 | TypesLoaded[Index]->setFromAST(); |
| 7079 | if (DeserializationListener) |
| 7080 | DeserializationListener->TypeRead(TypeIdx::fromTypeID(ID), |
| 7081 | TypesLoaded[Index]); |
| 7082 | } |
| 7083 | |
| 7084 | return TypesLoaded[Index].withFastQualifiers(FastQuals); |
| 7085 | } |
| 7086 | |
| 7087 | QualType ASTReader::getLocalType(ModuleFile &F, unsigned LocalID) { |
| 7088 | return GetType(getGlobalTypeID(F, LocalID)); |
| 7089 | } |
| 7090 | |
| 7091 | serialization::TypeID |
| 7092 | ASTReader::getGlobalTypeID(ModuleFile &F, unsigned LocalID) const { |
| 7093 | unsigned FastQuals = LocalID & Qualifiers::FastMask; |
| 7094 | unsigned LocalIndex = LocalID >> Qualifiers::FastWidth; |
| 7095 | |
| 7096 | if (LocalIndex < NUM_PREDEF_TYPE_IDS) |
| 7097 | return LocalID; |
| 7098 | |
| 7099 | if (!F.ModuleOffsetMap.empty()) |
| 7100 | ReadModuleOffsetMap(F); |
| 7101 | |
| 7102 | ContinuousRangeMap<uint32_t, int, 2>::iterator I |
| 7103 | = F.TypeRemap.find(LocalIndex - NUM_PREDEF_TYPE_IDS); |
| 7104 | assert(I != F.TypeRemap.end() && "Invalid index into type index remap" ); |
| 7105 | |
| 7106 | unsigned GlobalIndex = LocalIndex + I->second; |
| 7107 | return (GlobalIndex << Qualifiers::FastWidth) | FastQuals; |
| 7108 | } |
| 7109 | |
| 7110 | TemplateArgumentLocInfo |
| 7111 | ASTRecordReader::readTemplateArgumentLocInfo(TemplateArgument::ArgKind Kind) { |
| 7112 | switch (Kind) { |
| 7113 | case TemplateArgument::Expression: |
| 7114 | return readExpr(); |
| 7115 | case TemplateArgument::Type: |
| 7116 | return readTypeSourceInfo(); |
| 7117 | case TemplateArgument::Template: { |
| 7118 | NestedNameSpecifierLoc QualifierLoc = |
| 7119 | readNestedNameSpecifierLoc(); |
| 7120 | SourceLocation TemplateNameLoc = readSourceLocation(); |
| 7121 | return TemplateArgumentLocInfo(getASTContext(), QualifierLoc, |
| 7122 | TemplateNameLoc, SourceLocation()); |
| 7123 | } |
| 7124 | case TemplateArgument::TemplateExpansion: { |
| 7125 | NestedNameSpecifierLoc QualifierLoc = readNestedNameSpecifierLoc(); |
| 7126 | SourceLocation TemplateNameLoc = readSourceLocation(); |
| 7127 | SourceLocation EllipsisLoc = readSourceLocation(); |
| 7128 | return TemplateArgumentLocInfo(getASTContext(), QualifierLoc, |
| 7129 | TemplateNameLoc, EllipsisLoc); |
| 7130 | } |
| 7131 | case TemplateArgument::Null: |
| 7132 | case TemplateArgument::Integral: |
| 7133 | case TemplateArgument::Declaration: |
| 7134 | case TemplateArgument::NullPtr: |
| 7135 | case TemplateArgument::Pack: |
| 7136 | // FIXME: Is this right? |
| 7137 | return TemplateArgumentLocInfo(); |
| 7138 | } |
| 7139 | llvm_unreachable("unexpected template argument loc" ); |
| 7140 | } |
| 7141 | |
| 7142 | TemplateArgumentLoc ASTRecordReader::readTemplateArgumentLoc() { |
| 7143 | TemplateArgument Arg = readTemplateArgument(); |
| 7144 | |
| 7145 | if (Arg.getKind() == TemplateArgument::Expression) { |
| 7146 | if (readBool()) // bool InfoHasSameExpr. |
| 7147 | return TemplateArgumentLoc(Arg, TemplateArgumentLocInfo(Arg.getAsExpr())); |
| 7148 | } |
| 7149 | return TemplateArgumentLoc(Arg, readTemplateArgumentLocInfo(Arg.getKind())); |
| 7150 | } |
| 7151 | |
| 7152 | const ASTTemplateArgumentListInfo * |
| 7153 | ASTRecordReader::readASTTemplateArgumentListInfo() { |
| 7154 | SourceLocation LAngleLoc = readSourceLocation(); |
| 7155 | SourceLocation RAngleLoc = readSourceLocation(); |
| 7156 | unsigned NumArgsAsWritten = readInt(); |
| 7157 | TemplateArgumentListInfo TemplArgsInfo(LAngleLoc, RAngleLoc); |
| 7158 | for (unsigned i = 0; i != NumArgsAsWritten; ++i) |
| 7159 | TemplArgsInfo.addArgument(readTemplateArgumentLoc()); |
| 7160 | return ASTTemplateArgumentListInfo::Create(getContext(), TemplArgsInfo); |
| 7161 | } |
| 7162 | |
| 7163 | Decl *ASTReader::GetExternalDecl(uint32_t ID) { |
| 7164 | return GetDecl(ID); |
| 7165 | } |
| 7166 | |
| 7167 | void ASTReader::CompleteRedeclChain(const Decl *D) { |
| 7168 | if (NumCurrentElementsDeserializing) { |
| 7169 | // We arrange to not care about the complete redeclaration chain while we're |
| 7170 | // deserializing. Just remember that the AST has marked this one as complete |
| 7171 | // but that it's not actually complete yet, so we know we still need to |
| 7172 | // complete it later. |
| 7173 | PendingIncompleteDeclChains.push_back(const_cast<Decl*>(D)); |
| 7174 | return; |
| 7175 | } |
| 7176 | |
| 7177 | const DeclContext *DC = D->getDeclContext()->getRedeclContext(); |
| 7178 | |
| 7179 | // If this is a named declaration, complete it by looking it up |
| 7180 | // within its context. |
| 7181 | // |
| 7182 | // FIXME: Merging a function definition should merge |
| 7183 | // all mergeable entities within it. |
| 7184 | if (isa<TranslationUnitDecl>(DC) || isa<NamespaceDecl>(DC) || |
| 7185 | isa<CXXRecordDecl>(DC) || isa<EnumDecl>(DC)) { |
| 7186 | if (DeclarationName Name = cast<NamedDecl>(D)->getDeclName()) { |
| 7187 | if (!getContext().getLangOpts().CPlusPlus && |
| 7188 | isa<TranslationUnitDecl>(DC)) { |
| 7189 | // Outside of C++, we don't have a lookup table for the TU, so update |
| 7190 | // the identifier instead. (For C++ modules, we don't store decls |
| 7191 | // in the serialized identifier table, so we do the lookup in the TU.) |
| 7192 | auto *II = Name.getAsIdentifierInfo(); |
| 7193 | assert(II && "non-identifier name in C?" ); |
| 7194 | if (II->isOutOfDate()) |
| 7195 | updateOutOfDateIdentifier(*II); |
| 7196 | } else |
| 7197 | DC->lookup(Name); |
| 7198 | } else if (needsAnonymousDeclarationNumber(cast<NamedDecl>(D))) { |
| 7199 | // Find all declarations of this kind from the relevant context. |
| 7200 | for (auto *DCDecl : cast<Decl>(D->getLexicalDeclContext())->redecls()) { |
| 7201 | auto *DC = cast<DeclContext>(DCDecl); |
| 7202 | SmallVector<Decl*, 8> Decls; |
| 7203 | FindExternalLexicalDecls( |
| 7204 | DC, [&](Decl::Kind K) { return K == D->getKind(); }, Decls); |
| 7205 | } |
| 7206 | } |
| 7207 | } |
| 7208 | |
| 7209 | if (auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(D)) |
| 7210 | CTSD->getSpecializedTemplate()->LoadLazySpecializations(); |
| 7211 | if (auto *VTSD = dyn_cast<VarTemplateSpecializationDecl>(D)) |
| 7212 | VTSD->getSpecializedTemplate()->LoadLazySpecializations(); |
| 7213 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { |
| 7214 | if (auto *Template = FD->getPrimaryTemplate()) |
| 7215 | Template->LoadLazySpecializations(); |
| 7216 | } |
| 7217 | } |
| 7218 | |
| 7219 | CXXCtorInitializer ** |
| 7220 | ASTReader::GetExternalCXXCtorInitializers(uint64_t Offset) { |
| 7221 | RecordLocation Loc = getLocalBitOffset(Offset); |
| 7222 | BitstreamCursor &Cursor = Loc.F->DeclsCursor; |
| 7223 | SavedStreamPosition SavedPosition(Cursor); |
| 7224 | if (llvm::Error Err = Cursor.JumpToBit(Loc.Offset)) { |
| 7225 | Error(std::move(Err)); |
| 7226 | return nullptr; |
| 7227 | } |
| 7228 | ReadingKindTracker ReadingKind(Read_Decl, *this); |
| 7229 | |
| 7230 | Expected<unsigned> MaybeCode = Cursor.ReadCode(); |
| 7231 | if (!MaybeCode) { |
| 7232 | Error(MaybeCode.takeError()); |
| 7233 | return nullptr; |
| 7234 | } |
| 7235 | unsigned Code = MaybeCode.get(); |
| 7236 | |
| 7237 | ASTRecordReader Record(*this, *Loc.F); |
| 7238 | Expected<unsigned> MaybeRecCode = Record.readRecord(Cursor, Code); |
| 7239 | if (!MaybeRecCode) { |
| 7240 | Error(MaybeRecCode.takeError()); |
| 7241 | return nullptr; |
| 7242 | } |
| 7243 | if (MaybeRecCode.get() != DECL_CXX_CTOR_INITIALIZERS) { |
| 7244 | Error("malformed AST file: missing C++ ctor initializers" ); |
| 7245 | return nullptr; |
| 7246 | } |
| 7247 | |
| 7248 | return Record.readCXXCtorInitializers(); |
| 7249 | } |
| 7250 | |
| 7251 | CXXBaseSpecifier *ASTReader::GetExternalCXXBaseSpecifiers(uint64_t Offset) { |
| 7252 | assert(ContextObj && "reading base specifiers with no AST context" ); |
| 7253 | ASTContext &Context = *ContextObj; |
| 7254 | |
| 7255 | RecordLocation Loc = getLocalBitOffset(Offset); |
| 7256 | BitstreamCursor &Cursor = Loc.F->DeclsCursor; |
| 7257 | SavedStreamPosition SavedPosition(Cursor); |
| 7258 | if (llvm::Error Err = Cursor.JumpToBit(Loc.Offset)) { |
| 7259 | Error(std::move(Err)); |
| 7260 | return nullptr; |
| 7261 | } |
| 7262 | ReadingKindTracker ReadingKind(Read_Decl, *this); |
| 7263 | |
| 7264 | Expected<unsigned> MaybeCode = Cursor.ReadCode(); |
| 7265 | if (!MaybeCode) { |
| 7266 | Error(MaybeCode.takeError()); |
| 7267 | return nullptr; |
| 7268 | } |
| 7269 | unsigned Code = MaybeCode.get(); |
| 7270 | |
| 7271 | ASTRecordReader Record(*this, *Loc.F); |
| 7272 | Expected<unsigned> MaybeRecCode = Record.readRecord(Cursor, Code); |
| 7273 | if (!MaybeRecCode) { |
| 7274 | Error(MaybeCode.takeError()); |
| 7275 | return nullptr; |
| 7276 | } |
| 7277 | unsigned RecCode = MaybeRecCode.get(); |
| 7278 | |
| 7279 | if (RecCode != DECL_CXX_BASE_SPECIFIERS) { |
| 7280 | Error("malformed AST file: missing C++ base specifiers" ); |
| 7281 | return nullptr; |
| 7282 | } |
| 7283 | |
| 7284 | unsigned NumBases = Record.readInt(); |
| 7285 | void *Mem = Context.Allocate(sizeof(CXXBaseSpecifier) * NumBases); |
| 7286 | CXXBaseSpecifier *Bases = new (Mem) CXXBaseSpecifier [NumBases]; |
| 7287 | for (unsigned I = 0; I != NumBases; ++I) |
| 7288 | Bases[I] = Record.readCXXBaseSpecifier(); |
| 7289 | return Bases; |
| 7290 | } |
| 7291 | |
| 7292 | serialization::DeclID |
| 7293 | ASTReader::getGlobalDeclID(ModuleFile &F, LocalDeclID LocalID) const { |
| 7294 | if (LocalID < NUM_PREDEF_DECL_IDS) |
| 7295 | return LocalID; |
| 7296 | |
| 7297 | if (!F.ModuleOffsetMap.empty()) |
| 7298 | ReadModuleOffsetMap(F); |
| 7299 | |
| 7300 | ContinuousRangeMap<uint32_t, int, 2>::iterator I |
| 7301 | = F.DeclRemap.find(LocalID - NUM_PREDEF_DECL_IDS); |
| 7302 | assert(I != F.DeclRemap.end() && "Invalid index into decl index remap" ); |
| 7303 | |
| 7304 | return LocalID + I->second; |
| 7305 | } |
| 7306 | |
| 7307 | bool ASTReader::isDeclIDFromModule(serialization::GlobalDeclID ID, |
| 7308 | ModuleFile &M) const { |
| 7309 | // Predefined decls aren't from any module. |
| 7310 | if (ID < NUM_PREDEF_DECL_IDS) |
| 7311 | return false; |
| 7312 | |
| 7313 | return ID - NUM_PREDEF_DECL_IDS >= M.BaseDeclID && |
| 7314 | ID - NUM_PREDEF_DECL_IDS < M.BaseDeclID + M.LocalNumDecls; |
| 7315 | } |
| 7316 | |
| 7317 | ModuleFile *ASTReader::getOwningModuleFile(const Decl *D) { |
| 7318 | if (!D->isFromASTFile()) |
| 7319 | return nullptr; |
| 7320 | GlobalDeclMapType::const_iterator I = GlobalDeclMap.find(D->getGlobalID()); |
| 7321 | assert(I != GlobalDeclMap.end() && "Corrupted global declaration map" ); |
| 7322 | return I->second; |
| 7323 | } |
| 7324 | |
| 7325 | SourceLocation ASTReader::getSourceLocationForDeclID(GlobalDeclID ID) { |
| 7326 | if (ID < NUM_PREDEF_DECL_IDS) |
| 7327 | return SourceLocation(); |
| 7328 | |
| 7329 | unsigned Index = ID - NUM_PREDEF_DECL_IDS; |
| 7330 | |
| 7331 | if (Index > DeclsLoaded.size()) { |
| 7332 | Error("declaration ID out-of-range for AST file" ); |
| 7333 | return SourceLocation(); |
| 7334 | } |
| 7335 | |
| 7336 | if (Decl *D = DeclsLoaded[Index]) |
| 7337 | return D->getLocation(); |
| 7338 | |
| 7339 | SourceLocation Loc; |
| 7340 | DeclCursorForID(ID, Loc); |
| 7341 | return Loc; |
| 7342 | } |
| 7343 | |
| 7344 | static Decl *getPredefinedDecl(ASTContext &Context, PredefinedDeclIDs ID) { |
| 7345 | switch (ID) { |
| 7346 | case PREDEF_DECL_NULL_ID: |
| 7347 | return nullptr; |
| 7348 | |
| 7349 | case PREDEF_DECL_TRANSLATION_UNIT_ID: |
| 7350 | return Context.getTranslationUnitDecl(); |
| 7351 | |
| 7352 | case PREDEF_DECL_OBJC_ID_ID: |
| 7353 | return Context.getObjCIdDecl(); |
| 7354 | |
| 7355 | case PREDEF_DECL_OBJC_SEL_ID: |
| 7356 | return Context.getObjCSelDecl(); |
| 7357 | |
| 7358 | case PREDEF_DECL_OBJC_CLASS_ID: |
| 7359 | return Context.getObjCClassDecl(); |
| 7360 | |
| 7361 | case PREDEF_DECL_OBJC_PROTOCOL_ID: |
| 7362 | return Context.getObjCProtocolDecl(); |
| 7363 | |
| 7364 | case PREDEF_DECL_INT_128_ID: |
| 7365 | return Context.getInt128Decl(); |
| 7366 | |
| 7367 | case PREDEF_DECL_UNSIGNED_INT_128_ID: |
| 7368 | return Context.getUInt128Decl(); |
| 7369 | |
| 7370 | case PREDEF_DECL_OBJC_INSTANCETYPE_ID: |
| 7371 | return Context.getObjCInstanceTypeDecl(); |
| 7372 | |
| 7373 | case PREDEF_DECL_BUILTIN_VA_LIST_ID: |
| 7374 | return Context.getBuiltinVaListDecl(); |
| 7375 | |
| 7376 | case PREDEF_DECL_VA_LIST_TAG: |
| 7377 | return Context.getVaListTagDecl(); |
| 7378 | |
| 7379 | case PREDEF_DECL_BUILTIN_MS_VA_LIST_ID: |
| 7380 | return Context.getBuiltinMSVaListDecl(); |
| 7381 | |
| 7382 | case PREDEF_DECL_BUILTIN_MS_GUID_ID: |
| 7383 | return Context.getMSGuidTagDecl(); |
| 7384 | |
| 7385 | case PREDEF_DECL_EXTERN_C_CONTEXT_ID: |
| 7386 | return Context.getExternCContextDecl(); |
| 7387 | |
| 7388 | case PREDEF_DECL_MAKE_INTEGER_SEQ_ID: |
| 7389 | return Context.getMakeIntegerSeqDecl(); |
| 7390 | |
| 7391 | case PREDEF_DECL_CF_CONSTANT_STRING_ID: |
| 7392 | return Context.getCFConstantStringDecl(); |
| 7393 | |
| 7394 | case PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID: |
| 7395 | return Context.getCFConstantStringTagDecl(); |
| 7396 | |
| 7397 | case PREDEF_DECL_TYPE_PACK_ELEMENT_ID: |
| 7398 | return Context.getTypePackElementDecl(); |
| 7399 | } |
| 7400 | llvm_unreachable("PredefinedDeclIDs unknown enum value" ); |
| 7401 | } |
| 7402 | |
| 7403 | Decl *ASTReader::GetExistingDecl(DeclID ID) { |
| 7404 | assert(ContextObj && "reading decl with no AST context" ); |
| 7405 | if (ID < NUM_PREDEF_DECL_IDS) { |
| 7406 | Decl *D = getPredefinedDecl(*ContextObj, (PredefinedDeclIDs)ID); |
| 7407 | if (D) { |
| 7408 | // Track that we have merged the declaration with ID \p ID into the |
| 7409 | // pre-existing predefined declaration \p D. |
| 7410 | auto &Merged = KeyDecls[D->getCanonicalDecl()]; |
| 7411 | if (Merged.empty()) |
| 7412 | Merged.push_back(ID); |
| 7413 | } |
| 7414 | return D; |
| 7415 | } |
| 7416 | |
| 7417 | unsigned Index = ID - NUM_PREDEF_DECL_IDS; |
| 7418 | |
| 7419 | if (Index >= DeclsLoaded.size()) { |
| 7420 | assert(0 && "declaration ID out-of-range for AST file" ); |
| 7421 | Error("declaration ID out-of-range for AST file" ); |
| 7422 | return nullptr; |
| 7423 | } |
| 7424 | |
| 7425 | return DeclsLoaded[Index]; |
| 7426 | } |
| 7427 | |
| 7428 | Decl *ASTReader::GetDecl(DeclID ID) { |
| 7429 | if (ID < NUM_PREDEF_DECL_IDS) |
| 7430 | return GetExistingDecl(ID); |
| 7431 | |
| 7432 | unsigned Index = ID - NUM_PREDEF_DECL_IDS; |
| 7433 | |
| 7434 | if (Index >= DeclsLoaded.size()) { |
| 7435 | assert(0 && "declaration ID out-of-range for AST file" ); |
| 7436 | Error("declaration ID out-of-range for AST file" ); |
| 7437 | return nullptr; |
| 7438 | } |
| 7439 | |
| 7440 | if (!DeclsLoaded[Index]) { |
| 7441 | ReadDeclRecord(ID); |
| 7442 | if (DeserializationListener) |
| 7443 | DeserializationListener->DeclRead(ID, DeclsLoaded[Index]); |
| 7444 | } |
| 7445 | |
| 7446 | return DeclsLoaded[Index]; |
| 7447 | } |
| 7448 | |
| 7449 | DeclID ASTReader::mapGlobalIDToModuleFileGlobalID(ModuleFile &M, |
| 7450 | DeclID GlobalID) { |
| 7451 | if (GlobalID < NUM_PREDEF_DECL_IDS) |
| 7452 | return GlobalID; |
| 7453 | |
| 7454 | GlobalDeclMapType::const_iterator I = GlobalDeclMap.find(GlobalID); |
| 7455 | assert(I != GlobalDeclMap.end() && "Corrupted global declaration map" ); |
| 7456 | ModuleFile *Owner = I->second; |
| 7457 | |
| 7458 | llvm::DenseMap<ModuleFile *, serialization::DeclID>::iterator Pos |
| 7459 | = M.GlobalToLocalDeclIDs.find(Owner); |
| 7460 | if (Pos == M.GlobalToLocalDeclIDs.end()) |
| 7461 | return 0; |
| 7462 | |
| 7463 | return GlobalID - Owner->BaseDeclID + Pos->second; |
| 7464 | } |
| 7465 | |
| 7466 | serialization::DeclID ASTReader::ReadDeclID(ModuleFile &F, |
| 7467 | const RecordData &Record, |
| 7468 | unsigned &Idx) { |
| 7469 | if (Idx >= Record.size()) { |
| 7470 | Error("Corrupted AST file" ); |
| 7471 | return 0; |
| 7472 | } |
| 7473 | |
| 7474 | return getGlobalDeclID(F, Record[Idx++]); |
| 7475 | } |
| 7476 | |
| 7477 | /// Resolve the offset of a statement into a statement. |
| 7478 | /// |
| 7479 | /// This operation will read a new statement from the external |
| 7480 | /// source each time it is called, and is meant to be used via a |
| 7481 | /// LazyOffsetPtr (which is used by Decls for the body of functions, etc). |
| 7482 | Stmt *ASTReader::GetExternalDeclStmt(uint64_t Offset) { |
| 7483 | // Switch case IDs are per Decl. |
| 7484 | ClearSwitchCaseIDs(); |
| 7485 | |
| 7486 | // Offset here is a global offset across the entire chain. |
| 7487 | RecordLocation Loc = getLocalBitOffset(Offset); |
| 7488 | if (llvm::Error Err = Loc.F->DeclsCursor.JumpToBit(Loc.Offset)) { |
| 7489 | Error(std::move(Err)); |
| 7490 | return nullptr; |
| 7491 | } |
| 7492 | assert(NumCurrentElementsDeserializing == 0 && |
| 7493 | "should not be called while already deserializing" ); |
| 7494 | Deserializing D(this); |
| 7495 | return ReadStmtFromStream(*Loc.F); |
| 7496 | } |
| 7497 | |
| 7498 | void ASTReader::FindExternalLexicalDecls( |
| 7499 | const DeclContext *DC, llvm::function_ref<bool(Decl::Kind)> IsKindWeWant, |
| 7500 | SmallVectorImpl<Decl *> &Decls) { |
| 7501 | bool PredefsVisited[NUM_PREDEF_DECL_IDS] = {}; |
| 7502 | |
| 7503 | auto Visit = [&] (ModuleFile *M, LexicalContents LexicalDecls) { |
| 7504 | assert(LexicalDecls.size() % 2 == 0 && "expected an even number of entries" ); |
| 7505 | for (int I = 0, N = LexicalDecls.size(); I != N; I += 2) { |
| 7506 | auto K = (Decl::Kind)+LexicalDecls[I]; |
| 7507 | if (!IsKindWeWant(K)) |
| 7508 | continue; |
| 7509 | |
| 7510 | auto ID = (serialization::DeclID)+LexicalDecls[I + 1]; |
| 7511 | |
| 7512 | // Don't add predefined declarations to the lexical context more |
| 7513 | // than once. |
| 7514 | if (ID < NUM_PREDEF_DECL_IDS) { |
| 7515 | if (PredefsVisited[ID]) |
| 7516 | continue; |
| 7517 | |
| 7518 | PredefsVisited[ID] = true; |
| 7519 | } |
| 7520 | |
| 7521 | if (Decl *D = GetLocalDecl(*M, ID)) { |
| 7522 | assert(D->getKind() == K && "wrong kind for lexical decl" ); |
| 7523 | if (!DC->isDeclInLexicalTraversal(D)) |
| 7524 | Decls.push_back(D); |
| 7525 | } |
| 7526 | } |
| 7527 | }; |
| 7528 | |
| 7529 | if (isa<TranslationUnitDecl>(DC)) { |
| 7530 | for (auto Lexical : TULexicalDecls) |
| 7531 | Visit(Lexical.first, Lexical.second); |
| 7532 | } else { |
| 7533 | auto I = LexicalDecls.find(DC); |
| 7534 | if (I != LexicalDecls.end()) |
| 7535 | Visit(I->second.first, I->second.second); |
| 7536 | } |
| 7537 | |
| 7538 | ++NumLexicalDeclContextsRead; |
| 7539 | } |
| 7540 | |
| 7541 | namespace { |
| 7542 | |
| 7543 | class DeclIDComp { |
| 7544 | ASTReader &Reader; |
| 7545 | ModuleFile &Mod; |
| 7546 | |
| 7547 | public: |
| 7548 | DeclIDComp(ASTReader &Reader, ModuleFile &M) : Reader(Reader), Mod(M) {} |
| 7549 | |
| 7550 | bool operator()(LocalDeclID L, LocalDeclID R) const { |
| 7551 | SourceLocation LHS = getLocation(L); |
| 7552 | SourceLocation RHS = getLocation(R); |
| 7553 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); |
| 7554 | } |
| 7555 | |
| 7556 | bool operator()(SourceLocation LHS, LocalDeclID R) const { |
| 7557 | SourceLocation RHS = getLocation(R); |
| 7558 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); |
| 7559 | } |
| 7560 | |
| 7561 | bool operator()(LocalDeclID L, SourceLocation RHS) const { |
| 7562 | SourceLocation LHS = getLocation(L); |
| 7563 | return Reader.getSourceManager().isBeforeInTranslationUnit(LHS, RHS); |
| 7564 | } |
| 7565 | |
| 7566 | SourceLocation getLocation(LocalDeclID ID) const { |
| 7567 | return Reader.getSourceManager().getFileLoc( |
| 7568 | Reader.getSourceLocationForDeclID(Reader.getGlobalDeclID(Mod, ID))); |
| 7569 | } |
| 7570 | }; |
| 7571 | |
| 7572 | } // namespace |
| 7573 | |
| 7574 | void ASTReader::FindFileRegionDecls(FileID File, |
| 7575 | unsigned Offset, unsigned Length, |
| 7576 | SmallVectorImpl<Decl *> &Decls) { |
| 7577 | SourceManager &SM = getSourceManager(); |
| 7578 | |
| 7579 | llvm::DenseMap<FileID, FileDeclsInfo>::iterator I = FileDeclIDs.find(File); |
| 7580 | if (I == FileDeclIDs.end()) |
| 7581 | return; |
| 7582 | |
| 7583 | FileDeclsInfo &DInfo = I->second; |
| 7584 | if (DInfo.Decls.empty()) |
| 7585 | return; |
| 7586 | |
| 7587 | SourceLocation |
| 7588 | BeginLoc = SM.getLocForStartOfFile(File).getLocWithOffset(Offset); |
| 7589 | SourceLocation EndLoc = BeginLoc.getLocWithOffset(Length); |
| 7590 | |
| 7591 | DeclIDComp DIDComp(*this, *DInfo.Mod); |
| 7592 | ArrayRef<serialization::LocalDeclID>::iterator BeginIt = |
| 7593 | llvm::lower_bound(DInfo.Decls, BeginLoc, DIDComp); |
| 7594 | if (BeginIt != DInfo.Decls.begin()) |
| 7595 | --BeginIt; |
| 7596 | |
| 7597 | // If we are pointing at a top-level decl inside an objc container, we need |
| 7598 | // to backtrack until we find it otherwise we will fail to report that the |
| 7599 | // region overlaps with an objc container. |
| 7600 | while (BeginIt != DInfo.Decls.begin() && |
| 7601 | GetDecl(getGlobalDeclID(*DInfo.Mod, *BeginIt)) |
| 7602 | ->isTopLevelDeclInObjCContainer()) |
| 7603 | --BeginIt; |
| 7604 | |
| 7605 | ArrayRef<serialization::LocalDeclID>::iterator EndIt = |
| 7606 | llvm::upper_bound(DInfo.Decls, EndLoc, DIDComp); |
| 7607 | if (EndIt != DInfo.Decls.end()) |
| 7608 | ++EndIt; |
| 7609 | |
| 7610 | for (ArrayRef<serialization::LocalDeclID>::iterator |
| 7611 | DIt = BeginIt; DIt != EndIt; ++DIt) |
| 7612 | Decls.push_back(GetDecl(getGlobalDeclID(*DInfo.Mod, *DIt))); |
| 7613 | } |
| 7614 | |
| 7615 | bool |
| 7616 | ASTReader::FindExternalVisibleDeclsByName(const DeclContext *DC, |
| 7617 | DeclarationName Name) { |
| 7618 | assert(DC->hasExternalVisibleStorage() && DC == DC->getPrimaryContext() && |
| 7619 | "DeclContext has no visible decls in storage" ); |
| 7620 | if (!Name) |
| 7621 | return false; |
| 7622 | |
| 7623 | auto It = Lookups.find(DC); |
| 7624 | if (It == Lookups.end()) |
| 7625 | return false; |
| 7626 | |
| 7627 | Deserializing LookupResults(this); |
| 7628 | |
| 7629 | // Load the list of declarations. |
| 7630 | SmallVector<NamedDecl *, 64> Decls; |
| 7631 | for (DeclID ID : It->second.Table.find(Name)) { |
| 7632 | NamedDecl *ND = cast<NamedDecl>(GetDecl(ID)); |
| 7633 | if (ND->getDeclName() == Name) |
| 7634 | Decls.push_back(ND); |
| 7635 | } |
| 7636 | |
| 7637 | ++NumVisibleDeclContextsRead; |
| 7638 | SetExternalVisibleDeclsForName(DC, Name, Decls); |
| 7639 | return !Decls.empty(); |
| 7640 | } |
| 7641 | |
| 7642 | void ASTReader::completeVisibleDeclsMap(const DeclContext *DC) { |
| 7643 | if (!DC->hasExternalVisibleStorage()) |
| 7644 | return; |
| 7645 | |
| 7646 | auto It = Lookups.find(DC); |
| 7647 | assert(It != Lookups.end() && |
| 7648 | "have external visible storage but no lookup tables" ); |
| 7649 | |
| 7650 | DeclsMap Decls; |
| 7651 | |
| 7652 | for (DeclID ID : It->second.Table.findAll()) { |
| 7653 | NamedDecl *ND = cast<NamedDecl>(GetDecl(ID)); |
| 7654 | Decls[ND->getDeclName()].push_back(ND); |
| 7655 | } |
| 7656 | |
| 7657 | ++NumVisibleDeclContextsRead; |
| 7658 | |
| 7659 | for (DeclsMap::iterator I = Decls.begin(), E = Decls.end(); I != E; ++I) { |
| 7660 | SetExternalVisibleDeclsForName(DC, I->first, I->second); |
| 7661 | } |
| 7662 | const_cast<DeclContext *>(DC)->setHasExternalVisibleStorage(false); |
| 7663 | } |
| 7664 | |
| 7665 | const serialization::reader::DeclContextLookupTable * |
| 7666 | ASTReader::getLoadedLookupTables(DeclContext *Primary) const { |
| 7667 | auto I = Lookups.find(Primary); |
| 7668 | return I == Lookups.end() ? nullptr : &I->second; |
| 7669 | } |
| 7670 | |
| 7671 | /// Under non-PCH compilation the consumer receives the objc methods |
| 7672 | /// before receiving the implementation, and codegen depends on this. |
| 7673 | /// We simulate this by deserializing and passing to consumer the methods of the |
| 7674 | /// implementation before passing the deserialized implementation decl. |
| 7675 | static void PassObjCImplDeclToConsumer(ObjCImplDecl *ImplD, |
| 7676 | ASTConsumer *Consumer) { |
| 7677 | assert(ImplD && Consumer); |
| 7678 | |
| 7679 | for (auto *I : ImplD->methods()) |
| 7680 | Consumer->HandleInterestingDecl(DeclGroupRef(I)); |
| 7681 | |
| 7682 | Consumer->HandleInterestingDecl(DeclGroupRef(ImplD)); |
| 7683 | } |
| 7684 | |
| 7685 | void ASTReader::PassInterestingDeclToConsumer(Decl *D) { |
| 7686 | if (ObjCImplDecl *ImplD = dyn_cast<ObjCImplDecl>(D)) |
| 7687 | PassObjCImplDeclToConsumer(ImplD, Consumer); |
| 7688 | else |
| 7689 | Consumer->HandleInterestingDecl(DeclGroupRef(D)); |
| 7690 | } |
| 7691 | |
| 7692 | void ASTReader::StartTranslationUnit(ASTConsumer *Consumer) { |
| 7693 | this->Consumer = Consumer; |
| 7694 | |
| 7695 | if (Consumer) |
| 7696 | PassInterestingDeclsToConsumer(); |
| 7697 | |
| 7698 | if (DeserializationListener) |
| 7699 | DeserializationListener->ReaderInitialized(this); |
| 7700 | } |
| 7701 | |
| 7702 | void ASTReader::PrintStats() { |
| 7703 | std::fprintf(stderr, "*** AST File Statistics:\n" ); |
| 7704 | |
| 7705 | unsigned NumTypesLoaded |
| 7706 | = TypesLoaded.size() - std::count(TypesLoaded.begin(), TypesLoaded.end(), |
| 7707 | QualType()); |
| 7708 | unsigned NumDeclsLoaded |
| 7709 | = DeclsLoaded.size() - std::count(DeclsLoaded.begin(), DeclsLoaded.end(), |
| 7710 | (Decl *)nullptr); |
| 7711 | unsigned NumIdentifiersLoaded |
| 7712 | = IdentifiersLoaded.size() - std::count(IdentifiersLoaded.begin(), |
| 7713 | IdentifiersLoaded.end(), |
| 7714 | (IdentifierInfo *)nullptr); |
| 7715 | unsigned NumMacrosLoaded |
| 7716 | = MacrosLoaded.size() - std::count(MacrosLoaded.begin(), |
| 7717 | MacrosLoaded.end(), |
| 7718 | (MacroInfo *)nullptr); |
| 7719 | unsigned NumSelectorsLoaded |
| 7720 | = SelectorsLoaded.size() - std::count(SelectorsLoaded.begin(), |
| 7721 | SelectorsLoaded.end(), |
| 7722 | Selector()); |
| 7723 | |
| 7724 | if (unsigned TotalNumSLocEntries = getTotalNumSLocs()) |
| 7725 | std::fprintf(stderr, " %u/%u source location entries read (%f%%)\n" , |
| 7726 | NumSLocEntriesRead, TotalNumSLocEntries, |
| 7727 | ((float)NumSLocEntriesRead/TotalNumSLocEntries * 100)); |
| 7728 | if (!TypesLoaded.empty()) |
| 7729 | std::fprintf(stderr, " %u/%u types read (%f%%)\n" , |
| 7730 | NumTypesLoaded, (unsigned)TypesLoaded.size(), |
| 7731 | ((float)NumTypesLoaded/TypesLoaded.size() * 100)); |
| 7732 | if (!DeclsLoaded.empty()) |
| 7733 | std::fprintf(stderr, " %u/%u declarations read (%f%%)\n" , |
| 7734 | NumDeclsLoaded, (unsigned)DeclsLoaded.size(), |
| 7735 | ((float)NumDeclsLoaded/DeclsLoaded.size() * 100)); |
| 7736 | if (!IdentifiersLoaded.empty()) |
| 7737 | std::fprintf(stderr, " %u/%u identifiers read (%f%%)\n" , |
| 7738 | NumIdentifiersLoaded, (unsigned)IdentifiersLoaded.size(), |
| 7739 | ((float)NumIdentifiersLoaded/IdentifiersLoaded.size() * 100)); |
| 7740 | if (!MacrosLoaded.empty()) |
| 7741 | std::fprintf(stderr, " %u/%u macros read (%f%%)\n" , |
| 7742 | NumMacrosLoaded, (unsigned)MacrosLoaded.size(), |
| 7743 | ((float)NumMacrosLoaded/MacrosLoaded.size() * 100)); |
| 7744 | if (!SelectorsLoaded.empty()) |
| 7745 | std::fprintf(stderr, " %u/%u selectors read (%f%%)\n" , |
| 7746 | NumSelectorsLoaded, (unsigned)SelectorsLoaded.size(), |
| 7747 | ((float)NumSelectorsLoaded/SelectorsLoaded.size() * 100)); |
| 7748 | if (TotalNumStatements) |
| 7749 | std::fprintf(stderr, " %u/%u statements read (%f%%)\n" , |
| 7750 | NumStatementsRead, TotalNumStatements, |
| 7751 | ((float)NumStatementsRead/TotalNumStatements * 100)); |
| 7752 | if (TotalNumMacros) |
| 7753 | std::fprintf(stderr, " %u/%u macros read (%f%%)\n" , |
| 7754 | NumMacrosRead, TotalNumMacros, |
| 7755 | ((float)NumMacrosRead/TotalNumMacros * 100)); |
| 7756 | if (TotalLexicalDeclContexts) |
| 7757 | std::fprintf(stderr, " %u/%u lexical declcontexts read (%f%%)\n" , |
| 7758 | NumLexicalDeclContextsRead, TotalLexicalDeclContexts, |
| 7759 | ((float)NumLexicalDeclContextsRead/TotalLexicalDeclContexts |
| 7760 | * 100)); |
| 7761 | if (TotalVisibleDeclContexts) |
| 7762 | std::fprintf(stderr, " %u/%u visible declcontexts read (%f%%)\n" , |
| 7763 | NumVisibleDeclContextsRead, TotalVisibleDeclContexts, |
| 7764 | ((float)NumVisibleDeclContextsRead/TotalVisibleDeclContexts |
| 7765 | * 100)); |
| 7766 | if (TotalNumMethodPoolEntries) |
| 7767 | std::fprintf(stderr, " %u/%u method pool entries read (%f%%)\n" , |
| 7768 | NumMethodPoolEntriesRead, TotalNumMethodPoolEntries, |
| 7769 | ((float)NumMethodPoolEntriesRead/TotalNumMethodPoolEntries |
| 7770 | * 100)); |
| 7771 | if (NumMethodPoolLookups) |
| 7772 | std::fprintf(stderr, " %u/%u method pool lookups succeeded (%f%%)\n" , |
| 7773 | NumMethodPoolHits, NumMethodPoolLookups, |
| 7774 | ((float)NumMethodPoolHits/NumMethodPoolLookups * 100.0)); |
| 7775 | if (NumMethodPoolTableLookups) |
| 7776 | std::fprintf(stderr, " %u/%u method pool table lookups succeeded (%f%%)\n" , |
| 7777 | NumMethodPoolTableHits, NumMethodPoolTableLookups, |
| 7778 | ((float)NumMethodPoolTableHits/NumMethodPoolTableLookups |
| 7779 | * 100.0)); |
| 7780 | if (NumIdentifierLookupHits) |
| 7781 | std::fprintf(stderr, |
| 7782 | " %u / %u identifier table lookups succeeded (%f%%)\n" , |
| 7783 | NumIdentifierLookupHits, NumIdentifierLookups, |
| 7784 | (double)NumIdentifierLookupHits*100.0/NumIdentifierLookups); |
| 7785 | |
| 7786 | if (GlobalIndex) { |
| 7787 | std::fprintf(stderr, "\n" ); |
| 7788 | GlobalIndex->printStats(); |
| 7789 | } |
| 7790 | |
| 7791 | std::fprintf(stderr, "\n" ); |
| 7792 | dump(); |
| 7793 | std::fprintf(stderr, "\n" ); |
| 7794 | } |
| 7795 | |
| 7796 | template<typename Key, typename ModuleFile, unsigned InitialCapacity> |
| 7797 | LLVM_DUMP_METHOD static void |
| 7798 | dumpModuleIDMap(StringRef Name, |
| 7799 | const ContinuousRangeMap<Key, ModuleFile *, |
| 7800 | InitialCapacity> &Map) { |
| 7801 | if (Map.begin() == Map.end()) |
| 7802 | return; |
| 7803 | |
| 7804 | using MapType = ContinuousRangeMap<Key, ModuleFile *, InitialCapacity>; |
| 7805 | |
| 7806 | llvm::errs() << Name << ":\n" ; |
| 7807 | for (typename MapType::const_iterator I = Map.begin(), IEnd = Map.end(); |
| 7808 | I != IEnd; ++I) { |
| 7809 | llvm::errs() << " " << I->first << " -> " << I->second->FileName |
| 7810 | << "\n" ; |
| 7811 | } |
| 7812 | } |
| 7813 | |
| 7814 | LLVM_DUMP_METHOD void ASTReader::dump() { |
| 7815 | llvm::errs() << "*** PCH/ModuleFile Remappings:\n" ; |
| 7816 | dumpModuleIDMap("Global bit offset map" , GlobalBitOffsetsMap); |
| 7817 | dumpModuleIDMap("Global source location entry map" , GlobalSLocEntryMap); |
| 7818 | dumpModuleIDMap("Global type map" , GlobalTypeMap); |
| 7819 | dumpModuleIDMap("Global declaration map" , GlobalDeclMap); |
| 7820 | dumpModuleIDMap("Global identifier map" , GlobalIdentifierMap); |
| 7821 | dumpModuleIDMap("Global macro map" , GlobalMacroMap); |
| 7822 | dumpModuleIDMap("Global submodule map" , GlobalSubmoduleMap); |
| 7823 | dumpModuleIDMap("Global selector map" , GlobalSelectorMap); |
| 7824 | dumpModuleIDMap("Global preprocessed entity map" , |
| 7825 | GlobalPreprocessedEntityMap); |
| 7826 | |
| 7827 | llvm::errs() << "\n*** PCH/Modules Loaded:" ; |
| 7828 | for (ModuleFile &M : ModuleMgr) |
| 7829 | M.dump(); |
| 7830 | } |
| 7831 | |
| 7832 | /// Return the amount of memory used by memory buffers, breaking down |
| 7833 | /// by heap-backed versus mmap'ed memory. |
| 7834 | void ASTReader::getMemoryBufferSizes(MemoryBufferSizes &sizes) const { |
| 7835 | for (ModuleFile &I : ModuleMgr) { |
| 7836 | if (llvm::MemoryBuffer *buf = I.Buffer) { |
| 7837 | size_t bytes = buf->getBufferSize(); |
| 7838 | switch (buf->getBufferKind()) { |
| 7839 | case llvm::MemoryBuffer::MemoryBuffer_Malloc: |
| 7840 | sizes.malloc_bytes += bytes; |
| 7841 | break; |
| 7842 | case llvm::MemoryBuffer::MemoryBuffer_MMap: |
| 7843 | sizes.mmap_bytes += bytes; |
| 7844 | break; |
| 7845 | } |
| 7846 | } |
| 7847 | } |
| 7848 | } |
| 7849 | |
| 7850 | void ASTReader::InitializeSema(Sema &S) { |
| 7851 | SemaObj = &S; |
| 7852 | S.addExternalSource(this); |
| 7853 | |
| 7854 | // Makes sure any declarations that were deserialized "too early" |
| 7855 | // still get added to the identifier's declaration chains. |
| 7856 | for (uint64_t ID : PreloadedDeclIDs) { |
| 7857 | NamedDecl *D = cast<NamedDecl>(GetDecl(ID)); |
| 7858 | pushExternalDeclIntoScope(D, D->getDeclName()); |
| 7859 | } |
| 7860 | PreloadedDeclIDs.clear(); |
| 7861 | |
| 7862 | // FIXME: What happens if these are changed by a module import? |
| 7863 | if (!FPPragmaOptions.empty()) { |
| 7864 | assert(FPPragmaOptions.size() == 1 && "Wrong number of FP_PRAGMA_OPTIONS" ); |
| 7865 | FPOptionsOverride NewOverrides = |
| 7866 | FPOptionsOverride::getFromOpaqueInt(FPPragmaOptions[0]); |
| 7867 | SemaObj->CurFPFeatures = |
| 7868 | NewOverrides.applyOverrides(SemaObj->getLangOpts()); |
| 7869 | } |
| 7870 | |
| 7871 | SemaObj->OpenCLFeatures = OpenCLExtensions; |
| 7872 | SemaObj->OpenCLTypeExtMap = OpenCLTypeExtMap; |
| 7873 | SemaObj->OpenCLDeclExtMap = OpenCLDeclExtMap; |
| 7874 | |
| 7875 | UpdateSema(); |
| 7876 | } |
| 7877 | |
| 7878 | void ASTReader::UpdateSema() { |
| 7879 | assert(SemaObj && "no Sema to update" ); |
| 7880 | |
| 7881 | // Load the offsets of the declarations that Sema references. |
| 7882 | // They will be lazily deserialized when needed. |
| 7883 | if (!SemaDeclRefs.empty()) { |
| 7884 | assert(SemaDeclRefs.size() % 3 == 0); |
| 7885 | for (unsigned I = 0; I != SemaDeclRefs.size(); I += 3) { |
| 7886 | if (!SemaObj->StdNamespace) |
| 7887 | SemaObj->StdNamespace = SemaDeclRefs[I]; |
| 7888 | if (!SemaObj->StdBadAlloc) |
| 7889 | SemaObj->StdBadAlloc = SemaDeclRefs[I+1]; |
| 7890 | if (!SemaObj->StdAlignValT) |
| 7891 | SemaObj->StdAlignValT = SemaDeclRefs[I+2]; |
| 7892 | } |
| 7893 | SemaDeclRefs.clear(); |
| 7894 | } |
| 7895 | |
| 7896 | // Update the state of pragmas. Use the same API as if we had encountered the |
| 7897 | // pragma in the source. |
| 7898 | if(OptimizeOffPragmaLocation.isValid()) |
| 7899 | SemaObj->ActOnPragmaOptimize(/* On = */ false, OptimizeOffPragmaLocation); |
| 7900 | if (PragmaMSStructState != -1) |
| 7901 | SemaObj->ActOnPragmaMSStruct((PragmaMSStructKind)PragmaMSStructState); |
| 7902 | if (PointersToMembersPragmaLocation.isValid()) { |
| 7903 | SemaObj->ActOnPragmaMSPointersToMembers( |
| 7904 | (LangOptions::PragmaMSPointersToMembersKind) |
| 7905 | PragmaMSPointersToMembersState, |
| 7906 | PointersToMembersPragmaLocation); |
| 7907 | } |
| 7908 | SemaObj->ForceCUDAHostDeviceDepth = ForceCUDAHostDeviceDepth; |
| 7909 | |
| 7910 | if (PragmaAlignPackCurrentValue) { |
| 7911 | // The bottom of the stack might have a default value. It must be adjusted |
| 7912 | // to the current value to ensure that the packing state is preserved after |
| 7913 | // popping entries that were included/imported from a PCH/module. |
| 7914 | bool DropFirst = false; |
| 7915 | if (!PragmaAlignPackStack.empty() && |
| 7916 | PragmaAlignPackStack.front().Location.isInvalid()) { |
| 7917 | assert(PragmaAlignPackStack.front().Value == |
| 7918 | SemaObj->AlignPackStack.DefaultValue && |
| 7919 | "Expected a default alignment value" ); |
| 7920 | SemaObj->AlignPackStack.Stack.emplace_back( |
| 7921 | PragmaAlignPackStack.front().SlotLabel, |
| 7922 | SemaObj->AlignPackStack.CurrentValue, |
| 7923 | SemaObj->AlignPackStack.CurrentPragmaLocation, |
| 7924 | PragmaAlignPackStack.front().PushLocation); |
| 7925 | DropFirst = true; |
| 7926 | } |
| 7927 | for (const auto &Entry : llvm::makeArrayRef(PragmaAlignPackStack) |
| 7928 | .drop_front(DropFirst ? 1 : 0)) { |
| 7929 | SemaObj->AlignPackStack.Stack.emplace_back( |
| 7930 | Entry.SlotLabel, Entry.Value, Entry.Location, Entry.PushLocation); |
| 7931 | } |
| 7932 | if (PragmaAlignPackCurrentLocation.isInvalid()) { |
| 7933 | assert(*PragmaAlignPackCurrentValue == |
| 7934 | SemaObj->AlignPackStack.DefaultValue && |
| 7935 | "Expected a default align and pack value" ); |
| 7936 | // Keep the current values. |
| 7937 | } else { |
| 7938 | SemaObj->AlignPackStack.CurrentValue = *PragmaAlignPackCurrentValue; |
| 7939 | SemaObj->AlignPackStack.CurrentPragmaLocation = |
| 7940 | PragmaAlignPackCurrentLocation; |
| 7941 | } |
| 7942 | } |
| 7943 | if (FpPragmaCurrentValue) { |
| 7944 | // The bottom of the stack might have a default value. It must be adjusted |
| 7945 | // to the current value to ensure that fp-pragma state is preserved after |
| 7946 | // popping entries that were included/imported from a PCH/module. |
| 7947 | bool DropFirst = false; |
| 7948 | if (!FpPragmaStack.empty() && FpPragmaStack.front().Location.isInvalid()) { |
| 7949 | assert(FpPragmaStack.front().Value == |
| 7950 | SemaObj->FpPragmaStack.DefaultValue && |
| 7951 | "Expected a default pragma float_control value" ); |
| 7952 | SemaObj->FpPragmaStack.Stack.emplace_back( |
| 7953 | FpPragmaStack.front().SlotLabel, SemaObj->FpPragmaStack.CurrentValue, |
| 7954 | SemaObj->FpPragmaStack.CurrentPragmaLocation, |
| 7955 | FpPragmaStack.front().PushLocation); |
| 7956 | DropFirst = true; |
| 7957 | } |
| 7958 | for (const auto &Entry : |
| 7959 | llvm::makeArrayRef(FpPragmaStack).drop_front(DropFirst ? 1 : 0)) |
| 7960 | SemaObj->FpPragmaStack.Stack.emplace_back( |
| 7961 | Entry.SlotLabel, Entry.Value, Entry.Location, Entry.PushLocation); |
| 7962 | if (FpPragmaCurrentLocation.isInvalid()) { |
| 7963 | assert(*FpPragmaCurrentValue == SemaObj->FpPragmaStack.DefaultValue && |
| 7964 | "Expected a default pragma float_control value" ); |
| 7965 | // Keep the current values. |
| 7966 | } else { |
| 7967 | SemaObj->FpPragmaStack.CurrentValue = *FpPragmaCurrentValue; |
| 7968 | SemaObj->FpPragmaStack.CurrentPragmaLocation = FpPragmaCurrentLocation; |
| 7969 | } |
| 7970 | } |
| 7971 | |
| 7972 | // For non-modular AST files, restore visiblity of modules. |
| 7973 | for (auto &Import : ImportedModules) { |
| 7974 | if (Import.ImportLoc.isInvalid()) |
| 7975 | continue; |
| 7976 | if (Module *Imported = getSubmodule(Import.ID)) { |
| 7977 | SemaObj->makeModuleVisible(Imported, Import.ImportLoc); |
| 7978 | } |
| 7979 | } |
| 7980 | } |
| 7981 | |
| 7982 | IdentifierInfo *ASTReader::get(StringRef Name) { |
| 7983 | // Note that we are loading an identifier. |
| 7984 | Deserializing AnIdentifier(this); |
| 7985 | |
| 7986 | IdentifierLookupVisitor Visitor(Name, /*PriorGeneration=*/0, |
| 7987 | NumIdentifierLookups, |
| 7988 | NumIdentifierLookupHits); |
| 7989 | |
| 7990 | // We don't need to do identifier table lookups in C++ modules (we preload |
| 7991 | // all interesting declarations, and don't need to use the scope for name |
| 7992 | // lookups). Perform the lookup in PCH files, though, since we don't build |
| 7993 | // a complete initial identifier table if we're carrying on from a PCH. |
| 7994 | if (PP.getLangOpts().CPlusPlus) { |
| 7995 | for (auto F : ModuleMgr.pch_modules()) |
| 7996 | if (Visitor(*F)) |
| 7997 | break; |
| 7998 | } else { |
| 7999 | // If there is a global index, look there first to determine which modules |
| 8000 | // provably do not have any results for this identifier. |
| 8001 | GlobalModuleIndex::HitSet Hits; |
| 8002 | GlobalModuleIndex::HitSet *HitsPtr = nullptr; |
| 8003 | if (!loadGlobalIndex()) { |
| 8004 | if (GlobalIndex->lookupIdentifier(Name, Hits)) { |
| 8005 | HitsPtr = &Hits; |
| 8006 | } |
| 8007 | } |
| 8008 | |
| 8009 | ModuleMgr.visit(Visitor, HitsPtr); |
| 8010 | } |
| 8011 | |
| 8012 | IdentifierInfo *II = Visitor.getIdentifierInfo(); |
| 8013 | markIdentifierUpToDate(II); |
| 8014 | return II; |
| 8015 | } |
| 8016 | |
| 8017 | namespace clang { |
| 8018 | |
| 8019 | /// An identifier-lookup iterator that enumerates all of the |
| 8020 | /// identifiers stored within a set of AST files. |
| 8021 | class ASTIdentifierIterator : public IdentifierIterator { |
| 8022 | /// The AST reader whose identifiers are being enumerated. |
| 8023 | const ASTReader &Reader; |
| 8024 | |
| 8025 | /// The current index into the chain of AST files stored in |
| 8026 | /// the AST reader. |
| 8027 | unsigned Index; |
| 8028 | |
| 8029 | /// The current position within the identifier lookup table |
| 8030 | /// of the current AST file. |
| 8031 | ASTIdentifierLookupTable::key_iterator Current; |
| 8032 | |
| 8033 | /// The end position within the identifier lookup table of |
| 8034 | /// the current AST file. |
| 8035 | ASTIdentifierLookupTable::key_iterator End; |
| 8036 | |
| 8037 | /// Whether to skip any modules in the ASTReader. |
| 8038 | bool SkipModules; |
| 8039 | |
| 8040 | public: |
| 8041 | explicit ASTIdentifierIterator(const ASTReader &Reader, |
| 8042 | bool SkipModules = false); |
| 8043 | |
| 8044 | StringRef Next() override; |
| 8045 | }; |
| 8046 | |
| 8047 | } // namespace clang |
| 8048 | |
| 8049 | ASTIdentifierIterator::ASTIdentifierIterator(const ASTReader &Reader, |
| 8050 | bool SkipModules) |
| 8051 | : Reader(Reader), Index(Reader.ModuleMgr.size()), SkipModules(SkipModules) { |
| 8052 | } |
| 8053 | |
| 8054 | StringRef ASTIdentifierIterator::Next() { |
| 8055 | while (Current == End) { |
| 8056 | // If we have exhausted all of our AST files, we're done. |
| 8057 | if (Index == 0) |
| 8058 | return StringRef(); |
| 8059 | |
| 8060 | --Index; |
| 8061 | ModuleFile &F = Reader.ModuleMgr[Index]; |
| 8062 | if (SkipModules && F.isModule()) |
| 8063 | continue; |
| 8064 | |
| 8065 | ASTIdentifierLookupTable *IdTable = |
| 8066 | (ASTIdentifierLookupTable *)F.IdentifierLookupTable; |
| 8067 | Current = IdTable->key_begin(); |
| 8068 | End = IdTable->key_end(); |
| 8069 | } |
| 8070 | |
| 8071 | // We have any identifiers remaining in the current AST file; return |
| 8072 | // the next one. |
| 8073 | StringRef Result = *Current; |
| 8074 | ++Current; |
| 8075 | return Result; |
| 8076 | } |
| 8077 | |
| 8078 | namespace { |
| 8079 | |
| 8080 | /// A utility for appending two IdentifierIterators. |
| 8081 | class ChainedIdentifierIterator : public IdentifierIterator { |
| 8082 | std::unique_ptr<IdentifierIterator> Current; |
| 8083 | std::unique_ptr<IdentifierIterator> Queued; |
| 8084 | |
| 8085 | public: |
| 8086 | ChainedIdentifierIterator(std::unique_ptr<IdentifierIterator> First, |
| 8087 | std::unique_ptr<IdentifierIterator> Second) |
| 8088 | : Current(std::move(First)), Queued(std::move(Second)) {} |
| 8089 | |
| 8090 | StringRef Next() override { |
| 8091 | if (!Current) |
| 8092 | return StringRef(); |
| 8093 | |
| 8094 | StringRef result = Current->Next(); |
| 8095 | if (!result.empty()) |
| 8096 | return result; |
| 8097 | |
| 8098 | // Try the queued iterator, which may itself be empty. |
| 8099 | Current.reset(); |
| 8100 | std::swap(Current, Queued); |
| 8101 | return Next(); |
| 8102 | } |
| 8103 | }; |
| 8104 | |
| 8105 | } // namespace |
| 8106 | |
| 8107 | IdentifierIterator *ASTReader::getIdentifiers() { |
| 8108 | if (!loadGlobalIndex()) { |
| 8109 | std::unique_ptr<IdentifierIterator> ReaderIter( |
| 8110 | new ASTIdentifierIterator(*this, /*SkipModules=*/true)); |
| 8111 | std::unique_ptr<IdentifierIterator> ModulesIter( |
| 8112 | GlobalIndex->createIdentifierIterator()); |
| 8113 | return new ChainedIdentifierIterator(std::move(ReaderIter), |
| 8114 | std::move(ModulesIter)); |
| 8115 | } |
| 8116 | |
| 8117 | return new ASTIdentifierIterator(*this); |
| 8118 | } |
| 8119 | |
| 8120 | namespace clang { |
| 8121 | namespace serialization { |
| 8122 | |
| 8123 | class ReadMethodPoolVisitor { |
| 8124 | ASTReader &Reader; |
| 8125 | Selector Sel; |
| 8126 | unsigned PriorGeneration; |
| 8127 | unsigned InstanceBits = 0; |
| 8128 | unsigned FactoryBits = 0; |
| 8129 | bool InstanceHasMoreThanOneDecl = false; |
| 8130 | bool FactoryHasMoreThanOneDecl = false; |
| 8131 | SmallVector<ObjCMethodDecl *, 4> InstanceMethods; |
| 8132 | SmallVector<ObjCMethodDecl *, 4> FactoryMethods; |
| 8133 | |
| 8134 | public: |
| 8135 | ReadMethodPoolVisitor(ASTReader &Reader, Selector Sel, |
| 8136 | unsigned PriorGeneration) |
| 8137 | : Reader(Reader), Sel(Sel), PriorGeneration(PriorGeneration) {} |
| 8138 | |
| 8139 | bool operator()(ModuleFile &M) { |
| 8140 | if (!M.SelectorLookupTable) |
| 8141 | return false; |
| 8142 | |
| 8143 | // If we've already searched this module file, skip it now. |
| 8144 | if (M.Generation <= PriorGeneration) |
| 8145 | return true; |
| 8146 | |
| 8147 | ++Reader.NumMethodPoolTableLookups; |
| 8148 | ASTSelectorLookupTable *PoolTable |
| 8149 | = (ASTSelectorLookupTable*)M.SelectorLookupTable; |
| 8150 | ASTSelectorLookupTable::iterator Pos = PoolTable->find(Sel); |
| 8151 | if (Pos == PoolTable->end()) |
| 8152 | return false; |
| 8153 | |
| 8154 | ++Reader.NumMethodPoolTableHits; |
| 8155 | ++Reader.NumSelectorsRead; |
| 8156 | // FIXME: Not quite happy with the statistics here. We probably should |
| 8157 | // disable this tracking when called via LoadSelector. |
| 8158 | // Also, should entries without methods count as misses? |
| 8159 | ++Reader.NumMethodPoolEntriesRead; |
| 8160 | ASTSelectorLookupTrait::data_type Data = *Pos; |
| 8161 | if (Reader.DeserializationListener) |
| 8162 | Reader.DeserializationListener->SelectorRead(Data.ID, Sel); |
| 8163 | |
| 8164 | InstanceMethods.append(Data.Instance.begin(), Data.Instance.end()); |
| 8165 | FactoryMethods.append(Data.Factory.begin(), Data.Factory.end()); |
| 8166 | InstanceBits = Data.InstanceBits; |
| 8167 | FactoryBits = Data.FactoryBits; |
| 8168 | InstanceHasMoreThanOneDecl = Data.InstanceHasMoreThanOneDecl; |
| 8169 | FactoryHasMoreThanOneDecl = Data.FactoryHasMoreThanOneDecl; |
| 8170 | return true; |
| 8171 | } |
| 8172 | |
| 8173 | /// Retrieve the instance methods found by this visitor. |
| 8174 | ArrayRef<ObjCMethodDecl *> getInstanceMethods() const { |
| 8175 | return InstanceMethods; |
| 8176 | } |
| 8177 | |
| 8178 | /// Retrieve the instance methods found by this visitor. |
| 8179 | ArrayRef<ObjCMethodDecl *> getFactoryMethods() const { |
| 8180 | return FactoryMethods; |
| 8181 | } |
| 8182 | |
| 8183 | unsigned getInstanceBits() const { return InstanceBits; } |
| 8184 | unsigned getFactoryBits() const { return FactoryBits; } |
| 8185 | |
| 8186 | bool instanceHasMoreThanOneDecl() const { |
| 8187 | return InstanceHasMoreThanOneDecl; |
| 8188 | } |
| 8189 | |
| 8190 | bool factoryHasMoreThanOneDecl() const { return FactoryHasMoreThanOneDecl; } |
| 8191 | }; |
| 8192 | |
| 8193 | } // namespace serialization |
| 8194 | } // namespace clang |
| 8195 | |
| 8196 | /// Add the given set of methods to the method list. |
| 8197 | static void addMethodsToPool(Sema &S, ArrayRef<ObjCMethodDecl *> Methods, |
| 8198 | ObjCMethodList &List) { |
| 8199 | for (unsigned I = 0, N = Methods.size(); I != N; ++I) { |
| 8200 | S.addMethodToGlobalList(&List, Methods[I]); |
| 8201 | } |
| 8202 | } |
| 8203 | |
| 8204 | void ASTReader::ReadMethodPool(Selector Sel) { |
| 8205 | // Get the selector generation and update it to the current generation. |
| 8206 | unsigned &Generation = SelectorGeneration[Sel]; |
| 8207 | unsigned PriorGeneration = Generation; |
| 8208 | Generation = getGeneration(); |
| 8209 | SelectorOutOfDate[Sel] = false; |
| 8210 | |
| 8211 | // Search for methods defined with this selector. |
| 8212 | ++NumMethodPoolLookups; |
| 8213 | ReadMethodPoolVisitor Visitor(*this, Sel, PriorGeneration); |
| 8214 | ModuleMgr.visit(Visitor); |
| 8215 | |
| 8216 | if (Visitor.getInstanceMethods().empty() && |
| 8217 | Visitor.getFactoryMethods().empty()) |
| 8218 | return; |
| 8219 | |
| 8220 | ++NumMethodPoolHits; |
| 8221 | |
| 8222 | if (!getSema()) |
| 8223 | return; |
| 8224 | |
| 8225 | Sema &S = *getSema(); |
| 8226 | Sema::GlobalMethodPool::iterator Pos |
| 8227 | = S.MethodPool.insert(std::make_pair(Sel, Sema::GlobalMethods())).first; |
| 8228 | |
| 8229 | Pos->second.first.setBits(Visitor.getInstanceBits()); |
| 8230 | Pos->second.first.setHasMoreThanOneDecl(Visitor.instanceHasMoreThanOneDecl()); |
| 8231 | Pos->second.second.setBits(Visitor.getFactoryBits()); |
| 8232 | Pos->second.second.setHasMoreThanOneDecl(Visitor.factoryHasMoreThanOneDecl()); |
| 8233 | |
| 8234 | // Add methods to the global pool *after* setting hasMoreThanOneDecl, since |
| 8235 | // when building a module we keep every method individually and may need to |
| 8236 | // update hasMoreThanOneDecl as we add the methods. |
| 8237 | addMethodsToPool(S, Visitor.getInstanceMethods(), Pos->second.first); |
| 8238 | addMethodsToPool(S, Visitor.getFactoryMethods(), Pos->second.second); |
| 8239 | } |
| 8240 | |
| 8241 | void ASTReader::updateOutOfDateSelector(Selector Sel) { |
| 8242 | if (SelectorOutOfDate[Sel]) |
| 8243 | ReadMethodPool(Sel); |
| 8244 | } |
| 8245 | |
| 8246 | void ASTReader::ReadKnownNamespaces( |
| 8247 | SmallVectorImpl<NamespaceDecl *> &Namespaces) { |
| 8248 | Namespaces.clear(); |
| 8249 | |
| 8250 | for (unsigned I = 0, N = KnownNamespaces.size(); I != N; ++I) { |
| 8251 | if (NamespaceDecl *Namespace |
| 8252 | = dyn_cast_or_null<NamespaceDecl>(GetDecl(KnownNamespaces[I]))) |
| 8253 | Namespaces.push_back(Namespace); |
| 8254 | } |
| 8255 | } |
| 8256 | |
| 8257 | void ASTReader::ReadUndefinedButUsed( |
| 8258 | llvm::MapVector<NamedDecl *, SourceLocation> &Undefined) { |
| 8259 | for (unsigned Idx = 0, N = UndefinedButUsed.size(); Idx != N;) { |
| 8260 | NamedDecl *D = cast<NamedDecl>(GetDecl(UndefinedButUsed[Idx++])); |
| 8261 | SourceLocation Loc = |
| 8262 | SourceLocation::getFromRawEncoding(UndefinedButUsed[Idx++]); |
| 8263 | Undefined.insert(std::make_pair(D, Loc)); |
| 8264 | } |
| 8265 | } |
| 8266 | |
| 8267 | void ASTReader::ReadMismatchingDeleteExpressions(llvm::MapVector< |
| 8268 | FieldDecl *, llvm::SmallVector<std::pair<SourceLocation, bool>, 4>> & |
| 8269 | Exprs) { |
| 8270 | for (unsigned Idx = 0, N = DelayedDeleteExprs.size(); Idx != N;) { |
| 8271 | FieldDecl *FD = cast<FieldDecl>(GetDecl(DelayedDeleteExprs[Idx++])); |
| 8272 | uint64_t Count = DelayedDeleteExprs[Idx++]; |
| 8273 | for (uint64_t C = 0; C < Count; ++C) { |
| 8274 | SourceLocation DeleteLoc = |
| 8275 | SourceLocation::getFromRawEncoding(DelayedDeleteExprs[Idx++]); |
| 8276 | const bool IsArrayForm = DelayedDeleteExprs[Idx++]; |
| 8277 | Exprs[FD].push_back(std::make_pair(DeleteLoc, IsArrayForm)); |
| 8278 | } |
| 8279 | } |
| 8280 | } |
| 8281 | |
| 8282 | void ASTReader::ReadTentativeDefinitions( |
| 8283 | SmallVectorImpl<VarDecl *> &TentativeDefs) { |
| 8284 | for (unsigned I = 0, N = TentativeDefinitions.size(); I != N; ++I) { |
| 8285 | VarDecl *Var = dyn_cast_or_null<VarDecl>(GetDecl(TentativeDefinitions[I])); |
| 8286 | if (Var) |
| 8287 | TentativeDefs.push_back(Var); |
| 8288 | } |
| 8289 | TentativeDefinitions.clear(); |
| 8290 | } |
| 8291 | |
| 8292 | void ASTReader::ReadUnusedFileScopedDecls( |
| 8293 | SmallVectorImpl<const DeclaratorDecl *> &Decls) { |
| 8294 | for (unsigned I = 0, N = UnusedFileScopedDecls.size(); I != N; ++I) { |
| 8295 | DeclaratorDecl *D |
| 8296 | = dyn_cast_or_null<DeclaratorDecl>(GetDecl(UnusedFileScopedDecls[I])); |
| 8297 | if (D) |
| 8298 | Decls.push_back(D); |
| 8299 | } |
| 8300 | UnusedFileScopedDecls.clear(); |
| 8301 | } |
| 8302 | |
| 8303 | void ASTReader::ReadDelegatingConstructors( |
| 8304 | SmallVectorImpl<CXXConstructorDecl *> &Decls) { |
| 8305 | for (unsigned I = 0, N = DelegatingCtorDecls.size(); I != N; ++I) { |
| 8306 | CXXConstructorDecl *D |
| 8307 | = dyn_cast_or_null<CXXConstructorDecl>(GetDecl(DelegatingCtorDecls[I])); |
| 8308 | if (D) |
| 8309 | Decls.push_back(D); |
| 8310 | } |
| 8311 | DelegatingCtorDecls.clear(); |
| 8312 | } |
| 8313 | |
| 8314 | void ASTReader::ReadExtVectorDecls(SmallVectorImpl<TypedefNameDecl *> &Decls) { |
| 8315 | for (unsigned I = 0, N = ExtVectorDecls.size(); I != N; ++I) { |
| 8316 | TypedefNameDecl *D |
| 8317 | = dyn_cast_or_null<TypedefNameDecl>(GetDecl(ExtVectorDecls[I])); |
| 8318 | if (D) |
| 8319 | Decls.push_back(D); |
| 8320 | } |
| 8321 | ExtVectorDecls.clear(); |
| 8322 | } |
| 8323 | |
| 8324 | void ASTReader::ReadUnusedLocalTypedefNameCandidates( |
| 8325 | llvm::SmallSetVector<const TypedefNameDecl *, 4> &Decls) { |
| 8326 | for (unsigned I = 0, N = UnusedLocalTypedefNameCandidates.size(); I != N; |
| 8327 | ++I) { |
| 8328 | TypedefNameDecl *D = dyn_cast_or_null<TypedefNameDecl>( |
| 8329 | GetDecl(UnusedLocalTypedefNameCandidates[I])); |
| 8330 | if (D) |
| 8331 | Decls.insert(D); |
| 8332 | } |
| 8333 | UnusedLocalTypedefNameCandidates.clear(); |
| 8334 | } |
| 8335 | |
| 8336 | void ASTReader::ReadDeclsToCheckForDeferredDiags( |
| 8337 | llvm::SmallVector<Decl *, 4> &Decls) { |
| 8338 | for (unsigned I = 0, N = DeclsToCheckForDeferredDiags.size(); I != N; |
| 8339 | ++I) { |
| 8340 | auto *D = dyn_cast_or_null<Decl>( |
| 8341 | GetDecl(DeclsToCheckForDeferredDiags[I])); |
| 8342 | if (D) |
| 8343 | Decls.push_back(D); |
| 8344 | } |
| 8345 | DeclsToCheckForDeferredDiags.clear(); |
| 8346 | } |
| 8347 | |
| 8348 | |
| 8349 | void ASTReader::ReadReferencedSelectors( |
| 8350 | SmallVectorImpl<std::pair<Selector, SourceLocation>> &Sels) { |
| 8351 | if (ReferencedSelectorsData.empty()) |
| 8352 | return; |
| 8353 | |
| 8354 | // If there are @selector references added them to its pool. This is for |
| 8355 | // implementation of -Wselector. |
| 8356 | unsigned int DataSize = ReferencedSelectorsData.size()-1; |
| 8357 | unsigned I = 0; |
| 8358 | while (I < DataSize) { |
| 8359 | Selector Sel = DecodeSelector(ReferencedSelectorsData[I++]); |
| 8360 | SourceLocation SelLoc |
| 8361 | = SourceLocation::getFromRawEncoding(ReferencedSelectorsData[I++]); |
| 8362 | Sels.push_back(std::make_pair(Sel, SelLoc)); |
| 8363 | } |
| 8364 | ReferencedSelectorsData.clear(); |
| 8365 | } |
| 8366 | |
| 8367 | void ASTReader::ReadWeakUndeclaredIdentifiers( |
| 8368 | SmallVectorImpl<std::pair<IdentifierInfo *, WeakInfo>> &WeakIDs) { |
| 8369 | if (WeakUndeclaredIdentifiers.empty()) |
| 8370 | return; |
| 8371 | |
| 8372 | for (unsigned I = 0, N = WeakUndeclaredIdentifiers.size(); I < N; /*none*/) { |
| 8373 | IdentifierInfo *WeakId |
| 8374 | = DecodeIdentifierInfo(WeakUndeclaredIdentifiers[I++]); |
| 8375 | IdentifierInfo *AliasId |
| 8376 | = DecodeIdentifierInfo(WeakUndeclaredIdentifiers[I++]); |
| 8377 | SourceLocation Loc |
| 8378 | = SourceLocation::getFromRawEncoding(WeakUndeclaredIdentifiers[I++]); |
| 8379 | bool Used = WeakUndeclaredIdentifiers[I++]; |
| 8380 | WeakInfo WI(AliasId, Loc); |
| 8381 | WI.setUsed(Used); |
| 8382 | WeakIDs.push_back(std::make_pair(WeakId, WI)); |
| 8383 | } |
| 8384 | WeakUndeclaredIdentifiers.clear(); |
| 8385 | } |
| 8386 | |
| 8387 | void ASTReader::ReadUsedVTables(SmallVectorImpl<ExternalVTableUse> &VTables) { |
| 8388 | for (unsigned Idx = 0, N = VTableUses.size(); Idx < N; /* In loop */) { |
| 8389 | ExternalVTableUse VT; |
| 8390 | VT.Record = dyn_cast_or_null<CXXRecordDecl>(GetDecl(VTableUses[Idx++])); |
| 8391 | VT.Location = SourceLocation::getFromRawEncoding(VTableUses[Idx++]); |
| 8392 | VT.DefinitionRequired = VTableUses[Idx++]; |
| 8393 | VTables.push_back(VT); |
| 8394 | } |
| 8395 | |
| 8396 | VTableUses.clear(); |
| 8397 | } |
| 8398 | |
| 8399 | void ASTReader::ReadPendingInstantiations( |
| 8400 | SmallVectorImpl<std::pair<ValueDecl *, SourceLocation>> &Pending) { |
| 8401 | for (unsigned Idx = 0, N = PendingInstantiations.size(); Idx < N;) { |
| 8402 | ValueDecl *D = cast<ValueDecl>(GetDecl(PendingInstantiations[Idx++])); |
| 8403 | SourceLocation Loc |
| 8404 | = SourceLocation::getFromRawEncoding(PendingInstantiations[Idx++]); |
| 8405 | |
| 8406 | Pending.push_back(std::make_pair(D, Loc)); |
| 8407 | } |
| 8408 | PendingInstantiations.clear(); |
| 8409 | } |
| 8410 | |
| 8411 | void ASTReader::ReadLateParsedTemplates( |
| 8412 | llvm::MapVector<const FunctionDecl *, std::unique_ptr<LateParsedTemplate>> |
| 8413 | &LPTMap) { |
| 8414 | for (auto &LPT : LateParsedTemplates) { |
| 8415 | ModuleFile *FMod = LPT.first; |
| 8416 | RecordDataImpl &LateParsed = LPT.second; |
| 8417 | for (unsigned Idx = 0, N = LateParsed.size(); Idx < N; |
| 8418 | /* In loop */) { |
| 8419 | FunctionDecl *FD = |
| 8420 | cast<FunctionDecl>(GetLocalDecl(*FMod, LateParsed[Idx++])); |
| 8421 | |
| 8422 | auto LT = std::make_unique<LateParsedTemplate>(); |
| 8423 | LT->D = GetLocalDecl(*FMod, LateParsed[Idx++]); |
| 8424 | |
| 8425 | ModuleFile *F = getOwningModuleFile(LT->D); |
| 8426 | assert(F && "No module" ); |
| 8427 | |
| 8428 | unsigned TokN = LateParsed[Idx++]; |
| 8429 | LT->Toks.reserve(TokN); |
| 8430 | for (unsigned T = 0; T < TokN; ++T) |
| 8431 | LT->Toks.push_back(ReadToken(*F, LateParsed, Idx)); |
| 8432 | |
| 8433 | LPTMap.insert(std::make_pair(FD, std::move(LT))); |
| 8434 | } |
| 8435 | } |
| 8436 | } |
| 8437 | |
| 8438 | void ASTReader::LoadSelector(Selector Sel) { |
| 8439 | // It would be complicated to avoid reading the methods anyway. So don't. |
| 8440 | ReadMethodPool(Sel); |
| 8441 | } |
| 8442 | |
| 8443 | void ASTReader::SetIdentifierInfo(IdentifierID ID, IdentifierInfo *II) { |
| 8444 | assert(ID && "Non-zero identifier ID required" ); |
| 8445 | assert(ID <= IdentifiersLoaded.size() && "identifier ID out of range" ); |
| 8446 | IdentifiersLoaded[ID - 1] = II; |
| 8447 | if (DeserializationListener) |
| 8448 | DeserializationListener->IdentifierRead(ID, II); |
| 8449 | } |
| 8450 | |
| 8451 | /// Set the globally-visible declarations associated with the given |
| 8452 | /// identifier. |
| 8453 | /// |
| 8454 | /// If the AST reader is currently in a state where the given declaration IDs |
| 8455 | /// cannot safely be resolved, they are queued until it is safe to resolve |
| 8456 | /// them. |
| 8457 | /// |
| 8458 | /// \param II an IdentifierInfo that refers to one or more globally-visible |
| 8459 | /// declarations. |
| 8460 | /// |
| 8461 | /// \param DeclIDs the set of declaration IDs with the name @p II that are |
| 8462 | /// visible at global scope. |
| 8463 | /// |
| 8464 | /// \param Decls if non-null, this vector will be populated with the set of |
| 8465 | /// deserialized declarations. These declarations will not be pushed into |
| 8466 | /// scope. |
| 8467 | void |
| 8468 | ASTReader::SetGloballyVisibleDecls(IdentifierInfo *II, |
| 8469 | const SmallVectorImpl<uint32_t> &DeclIDs, |
| 8470 | SmallVectorImpl<Decl *> *Decls) { |
| 8471 | if (NumCurrentElementsDeserializing && !Decls) { |
| 8472 | PendingIdentifierInfos[II].append(DeclIDs.begin(), DeclIDs.end()); |
| 8473 | return; |
| 8474 | } |
| 8475 | |
| 8476 | for (unsigned I = 0, N = DeclIDs.size(); I != N; ++I) { |
| 8477 | if (!SemaObj) { |
| 8478 | // Queue this declaration so that it will be added to the |
| 8479 | // translation unit scope and identifier's declaration chain |
| 8480 | // once a Sema object is known. |
| 8481 | PreloadedDeclIDs.push_back(DeclIDs[I]); |
| 8482 | continue; |
| 8483 | } |
| 8484 | |
| 8485 | NamedDecl *D = cast<NamedDecl>(GetDecl(DeclIDs[I])); |
| 8486 | |
| 8487 | // If we're simply supposed to record the declarations, do so now. |
| 8488 | if (Decls) { |
| 8489 | Decls->push_back(D); |
| 8490 | continue; |
| 8491 | } |
| 8492 | |
| 8493 | // Introduce this declaration into the translation-unit scope |
| 8494 | // and add it to the declaration chain for this identifier, so |
| 8495 | // that (unqualified) name lookup will find it. |
| 8496 | pushExternalDeclIntoScope(D, II); |
| 8497 | } |
| 8498 | } |
| 8499 | |
| 8500 | IdentifierInfo *ASTReader::DecodeIdentifierInfo(IdentifierID ID) { |
| 8501 | if (ID == 0) |
| 8502 | return nullptr; |
| 8503 | |
| 8504 | if (IdentifiersLoaded.empty()) { |
| 8505 | Error("no identifier table in AST file" ); |
| 8506 | return nullptr; |
| 8507 | } |
| 8508 | |
| 8509 | ID -= 1; |
| 8510 | if (!IdentifiersLoaded[ID]) { |
| 8511 | GlobalIdentifierMapType::iterator I = GlobalIdentifierMap.find(ID + 1); |
| 8512 | assert(I != GlobalIdentifierMap.end() && "Corrupted global identifier map" ); |
| 8513 | ModuleFile *M = I->second; |
| 8514 | unsigned Index = ID - M->BaseIdentifierID; |
| 8515 | const char *Str = M->IdentifierTableData + M->IdentifierOffsets[Index]; |
| 8516 | |
| 8517 | // All of the strings in the AST file are preceded by a 16-bit length. |
| 8518 | // Extract that 16-bit length to avoid having to execute strlen(). |
| 8519 | // NOTE: 'StrLenPtr' is an 'unsigned char*' so that we load bytes as |
| 8520 | // unsigned integers. This is important to avoid integer overflow when |
| 8521 | // we cast them to 'unsigned'. |
| 8522 | const unsigned char *StrLenPtr = (const unsigned char*) Str - 2; |
| 8523 | unsigned StrLen = (((unsigned) StrLenPtr[0]) |
| 8524 | | (((unsigned) StrLenPtr[1]) << 8)) - 1; |
| 8525 | auto &II = PP.getIdentifierTable().get(StringRef(Str, StrLen)); |
| 8526 | IdentifiersLoaded[ID] = &II; |
| 8527 | markIdentifierFromAST(*this, II); |
| 8528 | if (DeserializationListener) |
| 8529 | DeserializationListener->IdentifierRead(ID + 1, &II); |
| 8530 | } |
| 8531 | |
| 8532 | return IdentifiersLoaded[ID]; |
| 8533 | } |
| 8534 | |
| 8535 | IdentifierInfo *ASTReader::getLocalIdentifier(ModuleFile &M, unsigned LocalID) { |
| 8536 | return DecodeIdentifierInfo(getGlobalIdentifierID(M, LocalID)); |
| 8537 | } |
| 8538 | |
| 8539 | IdentifierID ASTReader::getGlobalIdentifierID(ModuleFile &M, unsigned LocalID) { |
| 8540 | if (LocalID < NUM_PREDEF_IDENT_IDS) |
| 8541 | return LocalID; |
| 8542 | |
| 8543 | if (!M.ModuleOffsetMap.empty()) |
| 8544 | ReadModuleOffsetMap(M); |
| 8545 | |
| 8546 | ContinuousRangeMap<uint32_t, int, 2>::iterator I |
| 8547 | = M.IdentifierRemap.find(LocalID - NUM_PREDEF_IDENT_IDS); |
| 8548 | assert(I != M.IdentifierRemap.end() |
| 8549 | && "Invalid index into identifier index remap" ); |
| 8550 | |
| 8551 | return LocalID + I->second; |
| 8552 | } |
| 8553 | |
| 8554 | MacroInfo *ASTReader::getMacro(MacroID ID) { |
| 8555 | if (ID == 0) |
| 8556 | return nullptr; |
| 8557 | |
| 8558 | if (MacrosLoaded.empty()) { |
| 8559 | Error("no macro table in AST file" ); |
| 8560 | return nullptr; |
| 8561 | } |
| 8562 | |
| 8563 | ID -= NUM_PREDEF_MACRO_IDS; |
| 8564 | if (!MacrosLoaded[ID]) { |
| 8565 | GlobalMacroMapType::iterator I |
| 8566 | = GlobalMacroMap.find(ID + NUM_PREDEF_MACRO_IDS); |
| 8567 | assert(I != GlobalMacroMap.end() && "Corrupted global macro map" ); |
| 8568 | ModuleFile *M = I->second; |
| 8569 | unsigned Index = ID - M->BaseMacroID; |
| 8570 | MacrosLoaded[ID] = |
| 8571 | ReadMacroRecord(*M, M->MacroOffsetsBase + M->MacroOffsets[Index]); |
| 8572 | |
| 8573 | if (DeserializationListener) |
| 8574 | DeserializationListener->MacroRead(ID + NUM_PREDEF_MACRO_IDS, |
| 8575 | MacrosLoaded[ID]); |
| 8576 | } |
| 8577 | |
| 8578 | return MacrosLoaded[ID]; |
| 8579 | } |
| 8580 | |
| 8581 | MacroID ASTReader::getGlobalMacroID(ModuleFile &M, unsigned LocalID) { |
| 8582 | if (LocalID < NUM_PREDEF_MACRO_IDS) |
| 8583 | return LocalID; |
| 8584 | |
| 8585 | if (!M.ModuleOffsetMap.empty()) |
| 8586 | ReadModuleOffsetMap(M); |
| 8587 | |
| 8588 | ContinuousRangeMap<uint32_t, int, 2>::iterator I |
| 8589 | = M.MacroRemap.find(LocalID - NUM_PREDEF_MACRO_IDS); |
| 8590 | assert(I != M.MacroRemap.end() && "Invalid index into macro index remap" ); |
| 8591 | |
| 8592 | return LocalID + I->second; |
| 8593 | } |
| 8594 | |
| 8595 | serialization::SubmoduleID |
| 8596 | ASTReader::getGlobalSubmoduleID(ModuleFile &M, unsigned LocalID) { |
| 8597 | if (LocalID < NUM_PREDEF_SUBMODULE_IDS) |
| 8598 | return LocalID; |
| 8599 | |
| 8600 | if (!M.ModuleOffsetMap.empty()) |
| 8601 | ReadModuleOffsetMap(M); |
| 8602 | |
| 8603 | ContinuousRangeMap<uint32_t, int, 2>::iterator I |
| 8604 | = M.SubmoduleRemap.find(LocalID - NUM_PREDEF_SUBMODULE_IDS); |
| 8605 | assert(I != M.SubmoduleRemap.end() |
| 8606 | && "Invalid index into submodule index remap" ); |
| 8607 | |
| 8608 | return LocalID + I->second; |
| 8609 | } |
| 8610 | |
| 8611 | Module *ASTReader::getSubmodule(SubmoduleID GlobalID) { |
| 8612 | if (GlobalID < NUM_PREDEF_SUBMODULE_IDS) { |
| 8613 | assert(GlobalID == 0 && "Unhandled global submodule ID" ); |
| 8614 | return nullptr; |
| 8615 | } |
| 8616 | |
| 8617 | if (GlobalID > SubmodulesLoaded.size()) { |
| 8618 | Error("submodule ID out of range in AST file" ); |
| 8619 | return nullptr; |
| 8620 | } |
| 8621 | |
| 8622 | return SubmodulesLoaded[GlobalID - NUM_PREDEF_SUBMODULE_IDS]; |
| 8623 | } |
| 8624 | |
| 8625 | Module *ASTReader::getModule(unsigned ID) { |
| 8626 | return getSubmodule(ID); |
| 8627 | } |
| 8628 | |
| 8629 | ModuleFile *ASTReader::getLocalModuleFile(ModuleFile &F, unsigned ID) { |
| 8630 | if (ID & 1) { |
| 8631 | // It's a module, look it up by submodule ID. |
| 8632 | auto I = GlobalSubmoduleMap.find(getGlobalSubmoduleID(F, ID >> 1)); |
| 8633 | return I == GlobalSubmoduleMap.end() ? nullptr : I->second; |
| 8634 | } else { |
| 8635 | // It's a prefix (preamble, PCH, ...). Look it up by index. |
| 8636 | unsigned IndexFromEnd = ID >> 1; |
| 8637 | assert(IndexFromEnd && "got reference to unknown module file" ); |
| 8638 | return getModuleManager().pch_modules().end()[-IndexFromEnd]; |
| 8639 | } |
| 8640 | } |
| 8641 | |
| 8642 | unsigned ASTReader::getModuleFileID(ModuleFile *F) { |
| 8643 | if (!F) |
| 8644 | return 1; |
| 8645 | |
| 8646 | // For a file representing a module, use the submodule ID of the top-level |
| 8647 | // module as the file ID. For any other kind of file, the number of such |
| 8648 | // files loaded beforehand will be the same on reload. |
| 8649 | // FIXME: Is this true even if we have an explicit module file and a PCH? |
| 8650 | if (F->isModule()) |
| 8651 | return ((F->BaseSubmoduleID + NUM_PREDEF_SUBMODULE_IDS) << 1) | 1; |
| 8652 | |
| 8653 | auto PCHModules = getModuleManager().pch_modules(); |
| 8654 | auto I = llvm::find(PCHModules, F); |
| 8655 | assert(I != PCHModules.end() && "emitting reference to unknown file" ); |
| 8656 | return (I - PCHModules.end()) << 1; |
| 8657 | } |
| 8658 | |
| 8659 | llvm::Optional<ASTSourceDescriptor> |
| 8660 | ASTReader::getSourceDescriptor(unsigned ID) { |
| 8661 | if (Module *M = getSubmodule(ID)) |
| 8662 | return ASTSourceDescriptor(*M); |
| 8663 | |
| 8664 | // If there is only a single PCH, return it instead. |
| 8665 | // Chained PCH are not supported. |
| 8666 | const auto &PCHChain = ModuleMgr.pch_modules(); |
| 8667 | if (std::distance(std::begin(PCHChain), std::end(PCHChain))) { |
| 8668 | ModuleFile &MF = ModuleMgr.getPrimaryModule(); |
| 8669 | StringRef ModuleName = llvm::sys::path::filename(MF.OriginalSourceFileName); |
| 8670 | StringRef FileName = llvm::sys::path::filename(MF.FileName); |
| 8671 | return ASTSourceDescriptor(ModuleName, MF.OriginalDir, FileName, |
| 8672 | MF.Signature); |
| 8673 | } |
| 8674 | return None; |
| 8675 | } |
| 8676 | |
| 8677 | ExternalASTSource::ExtKind ASTReader::hasExternalDefinitions(const Decl *FD) { |
| 8678 | auto I = DefinitionSource.find(FD); |
| 8679 | if (I == DefinitionSource.end()) |
| 8680 | return EK_ReplyHazy; |
| 8681 | return I->second ? EK_Never : EK_Always; |
| 8682 | } |
| 8683 | |
| 8684 | Selector ASTReader::getLocalSelector(ModuleFile &M, unsigned LocalID) { |
| 8685 | return DecodeSelector(getGlobalSelectorID(M, LocalID)); |
| 8686 | } |
| 8687 | |
| 8688 | Selector ASTReader::DecodeSelector(serialization::SelectorID ID) { |
| 8689 | if (ID == 0) |
| 8690 | return Selector(); |
| 8691 | |
| 8692 | if (ID > SelectorsLoaded.size()) { |
| 8693 | Error("selector ID out of range in AST file" ); |
| 8694 | return Selector(); |
| 8695 | } |
| 8696 | |
| 8697 | if (SelectorsLoaded[ID - 1].getAsOpaquePtr() == nullptr) { |
| 8698 | // Load this selector from the selector table. |
| 8699 | GlobalSelectorMapType::iterator I = GlobalSelectorMap.find(ID); |
| 8700 | assert(I != GlobalSelectorMap.end() && "Corrupted global selector map" ); |
| 8701 | ModuleFile &M = *I->second; |
| 8702 | ASTSelectorLookupTrait Trait(*this, M); |
| 8703 | unsigned Idx = ID - M.BaseSelectorID - NUM_PREDEF_SELECTOR_IDS; |
| 8704 | SelectorsLoaded[ID - 1] = |
| 8705 | Trait.ReadKey(M.SelectorLookupTableData + M.SelectorOffsets[Idx], 0); |
| 8706 | if (DeserializationListener) |
| 8707 | DeserializationListener->SelectorRead(ID, SelectorsLoaded[ID - 1]); |
| 8708 | } |
| 8709 | |
| 8710 | return SelectorsLoaded[ID - 1]; |
| 8711 | } |
| 8712 | |
| 8713 | Selector ASTReader::GetExternalSelector(serialization::SelectorID ID) { |
| 8714 | return DecodeSelector(ID); |
| 8715 | } |
| 8716 | |
| 8717 | uint32_t ASTReader::GetNumExternalSelectors() { |
| 8718 | // ID 0 (the null selector) is considered an external selector. |
| 8719 | return getTotalNumSelectors() + 1; |
| 8720 | } |
| 8721 | |
| 8722 | serialization::SelectorID |
| 8723 | ASTReader::getGlobalSelectorID(ModuleFile &M, unsigned LocalID) const { |
| 8724 | if (LocalID < NUM_PREDEF_SELECTOR_IDS) |
| 8725 | return LocalID; |
| 8726 | |
| 8727 | if (!M.ModuleOffsetMap.empty()) |
| 8728 | ReadModuleOffsetMap(M); |
| 8729 | |
| 8730 | ContinuousRangeMap<uint32_t, int, 2>::iterator I |
| 8731 | = M.SelectorRemap.find(LocalID - NUM_PREDEF_SELECTOR_IDS); |
| 8732 | assert(I != M.SelectorRemap.end() |
| 8733 | && "Invalid index into selector index remap" ); |
| 8734 | |
| 8735 | return LocalID + I->second; |
| 8736 | } |
| 8737 | |
| 8738 | DeclarationNameLoc |
| 8739 | ASTRecordReader::readDeclarationNameLoc(DeclarationName Name) { |
| 8740 | DeclarationNameLoc DNLoc; |
| 8741 | switch (Name.getNameKind()) { |
| 8742 | case DeclarationName::CXXConstructorName: |
| 8743 | case DeclarationName::CXXDestructorName: |
| 8744 | case DeclarationName::CXXConversionFunctionName: |
| 8745 | DNLoc.NamedType.TInfo = readTypeSourceInfo(); |
| 8746 | break; |
| 8747 | |
| 8748 | case DeclarationName::CXXOperatorName: |
| 8749 | DNLoc.CXXOperatorName.BeginOpNameLoc |
| 8750 | = readSourceLocation().getRawEncoding(); |
| 8751 | DNLoc.CXXOperatorName.EndOpNameLoc |
| 8752 | = readSourceLocation().getRawEncoding(); |
| 8753 | break; |
| 8754 | |
| 8755 | case DeclarationName::CXXLiteralOperatorName: |
| 8756 | DNLoc.CXXLiteralOperatorName.OpNameLoc |
| 8757 | = readSourceLocation().getRawEncoding(); |
| 8758 | break; |
| 8759 | |
| 8760 | case DeclarationName::Identifier: |
| 8761 | case DeclarationName::ObjCZeroArgSelector: |
| 8762 | case DeclarationName::ObjCOneArgSelector: |
| 8763 | case DeclarationName::ObjCMultiArgSelector: |
| 8764 | case DeclarationName::CXXUsingDirective: |
| 8765 | case DeclarationName::CXXDeductionGuideName: |
| 8766 | break; |
| 8767 | } |
| 8768 | return DNLoc; |
| 8769 | } |
| 8770 | |
| 8771 | DeclarationNameInfo ASTRecordReader::readDeclarationNameInfo() { |
| 8772 | DeclarationNameInfo NameInfo; |
| 8773 | NameInfo.setName(readDeclarationName()); |
| 8774 | NameInfo.setLoc(readSourceLocation()); |
| 8775 | NameInfo.setInfo(readDeclarationNameLoc(NameInfo.getName())); |
| 8776 | return NameInfo; |
| 8777 | } |
| 8778 | |
| 8779 | void ASTRecordReader::readQualifierInfo(QualifierInfo &Info) { |
| 8780 | Info.QualifierLoc = readNestedNameSpecifierLoc(); |
| 8781 | unsigned NumTPLists = readInt(); |
| 8782 | Info.NumTemplParamLists = NumTPLists; |
| 8783 | if (NumTPLists) { |
| 8784 | Info.TemplParamLists = |
| 8785 | new (getContext()) TemplateParameterList *[NumTPLists]; |
| 8786 | for (unsigned i = 0; i != NumTPLists; ++i) |
| 8787 | Info.TemplParamLists[i] = readTemplateParameterList(); |
| 8788 | } |
| 8789 | } |
| 8790 | |
| 8791 | TemplateParameterList * |
| 8792 | ASTRecordReader::readTemplateParameterList() { |
| 8793 | SourceLocation TemplateLoc = readSourceLocation(); |
| 8794 | SourceLocation LAngleLoc = readSourceLocation(); |
| 8795 | SourceLocation RAngleLoc = readSourceLocation(); |
| 8796 | |
| 8797 | unsigned NumParams = readInt(); |
| 8798 | SmallVector<NamedDecl *, 16> Params; |
| 8799 | Params.reserve(NumParams); |
| 8800 | while (NumParams--) |
| 8801 | Params.push_back(readDeclAs<NamedDecl>()); |
| 8802 | |
| 8803 | bool HasRequiresClause = readBool(); |
| 8804 | Expr *RequiresClause = HasRequiresClause ? readExpr() : nullptr; |
| 8805 | |
| 8806 | TemplateParameterList *TemplateParams = TemplateParameterList::Create( |
| 8807 | getContext(), TemplateLoc, LAngleLoc, Params, RAngleLoc, RequiresClause); |
| 8808 | return TemplateParams; |
| 8809 | } |
| 8810 | |
| 8811 | void ASTRecordReader::readTemplateArgumentList( |
| 8812 | SmallVectorImpl<TemplateArgument> &TemplArgs, |
| 8813 | bool Canonicalize) { |
| 8814 | unsigned NumTemplateArgs = readInt(); |
| 8815 | TemplArgs.reserve(NumTemplateArgs); |
| 8816 | while (NumTemplateArgs--) |
| 8817 | TemplArgs.push_back(readTemplateArgument(Canonicalize)); |
| 8818 | } |
| 8819 | |
| 8820 | /// Read a UnresolvedSet structure. |
| 8821 | void ASTRecordReader::readUnresolvedSet(LazyASTUnresolvedSet &Set) { |
| 8822 | unsigned NumDecls = readInt(); |
| 8823 | Set.reserve(getContext(), NumDecls); |
| 8824 | while (NumDecls--) { |
| 8825 | DeclID ID = readDeclID(); |
| 8826 | AccessSpecifier AS = (AccessSpecifier) readInt(); |
| 8827 | Set.addLazyDecl(getContext(), ID, AS); |
| 8828 | } |
| 8829 | } |
| 8830 | |
| 8831 | CXXBaseSpecifier |
| 8832 | ASTRecordReader::readCXXBaseSpecifier() { |
| 8833 | bool isVirtual = readBool(); |
| 8834 | bool isBaseOfClass = readBool(); |
| 8835 | AccessSpecifier AS = static_cast<AccessSpecifier>(readInt()); |
| 8836 | bool inheritConstructors = readBool(); |
| 8837 | TypeSourceInfo *TInfo = readTypeSourceInfo(); |
| 8838 | SourceRange Range = readSourceRange(); |
| 8839 | SourceLocation EllipsisLoc = readSourceLocation(); |
| 8840 | CXXBaseSpecifier Result(Range, isVirtual, isBaseOfClass, AS, TInfo, |
| 8841 | EllipsisLoc); |
| 8842 | Result.setInheritConstructors(inheritConstructors); |
| 8843 | return Result; |
| 8844 | } |
| 8845 | |
| 8846 | CXXCtorInitializer ** |
| 8847 | ASTRecordReader::readCXXCtorInitializers() { |
| 8848 | ASTContext &Context = getContext(); |
| 8849 | unsigned NumInitializers = readInt(); |
| 8850 | assert(NumInitializers && "wrote ctor initializers but have no inits" ); |
| 8851 | auto **CtorInitializers = new (Context) CXXCtorInitializer*[NumInitializers]; |
| 8852 | for (unsigned i = 0; i != NumInitializers; ++i) { |
| 8853 | TypeSourceInfo *TInfo = nullptr; |
| 8854 | bool IsBaseVirtual = false; |
| 8855 | FieldDecl *Member = nullptr; |
| 8856 | IndirectFieldDecl *IndirectMember = nullptr; |
| 8857 | |
| 8858 | CtorInitializerType Type = (CtorInitializerType) readInt(); |
| 8859 | switch (Type) { |
| 8860 | case CTOR_INITIALIZER_BASE: |
| 8861 | TInfo = readTypeSourceInfo(); |
| 8862 | IsBaseVirtual = readBool(); |
| 8863 | break; |
| 8864 | |
| 8865 | case CTOR_INITIALIZER_DELEGATING: |
| 8866 | TInfo = readTypeSourceInfo(); |
| 8867 | break; |
| 8868 | |
| 8869 | case CTOR_INITIALIZER_MEMBER: |
| 8870 | Member = readDeclAs<FieldDecl>(); |
| 8871 | break; |
| 8872 | |
| 8873 | case CTOR_INITIALIZER_INDIRECT_MEMBER: |
| 8874 | IndirectMember = readDeclAs<IndirectFieldDecl>(); |
| 8875 | break; |
| 8876 | } |
| 8877 | |
| 8878 | SourceLocation MemberOrEllipsisLoc = readSourceLocation(); |
| 8879 | Expr *Init = readExpr(); |
| 8880 | SourceLocation LParenLoc = readSourceLocation(); |
| 8881 | SourceLocation RParenLoc = readSourceLocation(); |
| 8882 | |
| 8883 | CXXCtorInitializer *BOMInit; |
| 8884 | if (Type == CTOR_INITIALIZER_BASE) |
| 8885 | BOMInit = new (Context) |
| 8886 | CXXCtorInitializer(Context, TInfo, IsBaseVirtual, LParenLoc, Init, |
| 8887 | RParenLoc, MemberOrEllipsisLoc); |
| 8888 | else if (Type == CTOR_INITIALIZER_DELEGATING) |
| 8889 | BOMInit = new (Context) |
| 8890 | CXXCtorInitializer(Context, TInfo, LParenLoc, Init, RParenLoc); |
| 8891 | else if (Member) |
| 8892 | BOMInit = new (Context) |
| 8893 | CXXCtorInitializer(Context, Member, MemberOrEllipsisLoc, LParenLoc, |
| 8894 | Init, RParenLoc); |
| 8895 | else |
| 8896 | BOMInit = new (Context) |
| 8897 | CXXCtorInitializer(Context, IndirectMember, MemberOrEllipsisLoc, |
| 8898 | LParenLoc, Init, RParenLoc); |
| 8899 | |
| 8900 | if (/*IsWritten*/readBool()) { |
| 8901 | unsigned SourceOrder = readInt(); |
| 8902 | BOMInit->setSourceOrder(SourceOrder); |
| 8903 | } |
| 8904 | |
| 8905 | CtorInitializers[i] = BOMInit; |
| 8906 | } |
| 8907 | |
| 8908 | return CtorInitializers; |
| 8909 | } |
| 8910 | |
| 8911 | NestedNameSpecifierLoc |
| 8912 | ASTRecordReader::readNestedNameSpecifierLoc() { |
| 8913 | ASTContext &Context = getContext(); |
| 8914 | unsigned N = readInt(); |
| 8915 | NestedNameSpecifierLocBuilder Builder; |
| 8916 | for (unsigned I = 0; I != N; ++I) { |
| 8917 | auto Kind = readNestedNameSpecifierKind(); |
| 8918 | switch (Kind) { |
| 8919 | case NestedNameSpecifier::Identifier: { |
| 8920 | IdentifierInfo *II = readIdentifier(); |
| 8921 | SourceRange Range = readSourceRange(); |
| 8922 | Builder.Extend(Context, II, Range.getBegin(), Range.getEnd()); |
| 8923 | break; |
| 8924 | } |
| 8925 | |
| 8926 | case NestedNameSpecifier::Namespace: { |
| 8927 | NamespaceDecl *NS = readDeclAs<NamespaceDecl>(); |
| 8928 | SourceRange Range = readSourceRange(); |
| 8929 | Builder.Extend(Context, NS, Range.getBegin(), Range.getEnd()); |
| 8930 | break; |
| 8931 | } |
| 8932 | |
| 8933 | case NestedNameSpecifier::NamespaceAlias: { |
| 8934 | NamespaceAliasDecl *Alias = readDeclAs<NamespaceAliasDecl>(); |
| 8935 | SourceRange Range = readSourceRange(); |
| 8936 | Builder.Extend(Context, Alias, Range.getBegin(), Range.getEnd()); |
| 8937 | break; |
| 8938 | } |
| 8939 | |
| 8940 | case NestedNameSpecifier::TypeSpec: |
| 8941 | case NestedNameSpecifier::TypeSpecWithTemplate: { |
| 8942 | bool Template = readBool(); |
| 8943 | TypeSourceInfo *T = readTypeSourceInfo(); |
| 8944 | if (!T) |
| 8945 | return NestedNameSpecifierLoc(); |
| 8946 | SourceLocation ColonColonLoc = readSourceLocation(); |
| 8947 | |
| 8948 | // FIXME: 'template' keyword location not saved anywhere, so we fake it. |
| 8949 | Builder.Extend(Context, |
| 8950 | Template? T->getTypeLoc().getBeginLoc() : SourceLocation(), |
| 8951 | T->getTypeLoc(), ColonColonLoc); |
| 8952 | break; |
| 8953 | } |
| 8954 | |
| 8955 | case NestedNameSpecifier::Global: { |
| 8956 | SourceLocation ColonColonLoc = readSourceLocation(); |
| 8957 | Builder.MakeGlobal(Context, ColonColonLoc); |
| 8958 | break; |
| 8959 | } |
| 8960 | |
| 8961 | case NestedNameSpecifier::Super: { |
| 8962 | CXXRecordDecl *RD = readDeclAs<CXXRecordDecl>(); |
| 8963 | SourceRange Range = readSourceRange(); |
| 8964 | Builder.MakeSuper(Context, RD, Range.getBegin(), Range.getEnd()); |
| 8965 | break; |
| 8966 | } |
| 8967 | } |
| 8968 | } |
| 8969 | |
| 8970 | return Builder.getWithLocInContext(Context); |
| 8971 | } |
| 8972 | |
| 8973 | SourceRange |
| 8974 | ASTReader::ReadSourceRange(ModuleFile &F, const RecordData &Record, |
| 8975 | unsigned &Idx) { |
| 8976 | SourceLocation beg = ReadSourceLocation(F, Record, Idx); |
| 8977 | SourceLocation end = ReadSourceLocation(F, Record, Idx); |
| 8978 | return SourceRange(beg, end); |
| 8979 | } |
| 8980 | |
| 8981 | /// Read a floating-point value |
| 8982 | llvm::APFloat ASTRecordReader::readAPFloat(const llvm::fltSemantics &Sem) { |
| 8983 | return llvm::APFloat(Sem, readAPInt()); |
| 8984 | } |
| 8985 | |
| 8986 | // Read a string |
| 8987 | std::string ASTReader::ReadString(const RecordData &Record, unsigned &Idx) { |
| 8988 | unsigned Len = Record[Idx++]; |
| 8989 | std::string Result(Record.data() + Idx, Record.data() + Idx + Len); |
| 8990 | Idx += Len; |
| 8991 | return Result; |
| 8992 | } |
| 8993 | |
| 8994 | std::string ASTReader::ReadPath(ModuleFile &F, const RecordData &Record, |
| 8995 | unsigned &Idx) { |
| 8996 | std::string Filename = ReadString(Record, Idx); |
| 8997 | ResolveImportedPath(F, Filename); |
| 8998 | return Filename; |
| 8999 | } |
| 9000 | |
| 9001 | std::string ASTReader::ReadPath(StringRef BaseDirectory, |
| 9002 | const RecordData &Record, unsigned &Idx) { |
| 9003 | std::string Filename = ReadString(Record, Idx); |
| 9004 | if (!BaseDirectory.empty()) |
| 9005 | ResolveImportedPath(Filename, BaseDirectory); |
| 9006 | return Filename; |
| 9007 | } |
| 9008 | |
| 9009 | VersionTuple ASTReader::ReadVersionTuple(const RecordData &Record, |
| 9010 | unsigned &Idx) { |
| 9011 | unsigned Major = Record[Idx++]; |
| 9012 | unsigned Minor = Record[Idx++]; |
| 9013 | unsigned Subminor = Record[Idx++]; |
| 9014 | if (Minor == 0) |
| 9015 | return VersionTuple(Major); |
| 9016 | if (Subminor == 0) |
| 9017 | return VersionTuple(Major, Minor - 1); |
| 9018 | return VersionTuple(Major, Minor - 1, Subminor - 1); |
| 9019 | } |
| 9020 | |
| 9021 | CXXTemporary *ASTReader::ReadCXXTemporary(ModuleFile &F, |
| 9022 | const RecordData &Record, |
| 9023 | unsigned &Idx) { |
| 9024 | CXXDestructorDecl *Decl = ReadDeclAs<CXXDestructorDecl>(F, Record, Idx); |
| 9025 | return CXXTemporary::Create(getContext(), Decl); |
| 9026 | } |
| 9027 | |
| 9028 | DiagnosticBuilder ASTReader::Diag(unsigned DiagID) const { |
| 9029 | return Diag(CurrentImportLoc, DiagID); |
| 9030 | } |
| 9031 | |
| 9032 | DiagnosticBuilder ASTReader::Diag(SourceLocation Loc, unsigned DiagID) const { |
| 9033 | return Diags.Report(Loc, DiagID); |
| 9034 | } |
| 9035 | |
| 9036 | /// Retrieve the identifier table associated with the |
| 9037 | /// preprocessor. |
| 9038 | IdentifierTable &ASTReader::getIdentifierTable() { |
| 9039 | return PP.getIdentifierTable(); |
| 9040 | } |
| 9041 | |
| 9042 | /// Record that the given ID maps to the given switch-case |
| 9043 | /// statement. |
| 9044 | void ASTReader::RecordSwitchCaseID(SwitchCase *SC, unsigned ID) { |
| 9045 | assert((*CurrSwitchCaseStmts)[ID] == nullptr && |
| 9046 | "Already have a SwitchCase with this ID" ); |
| 9047 | (*CurrSwitchCaseStmts)[ID] = SC; |
| 9048 | } |
| 9049 | |
| 9050 | /// Retrieve the switch-case statement with the given ID. |
| 9051 | SwitchCase *ASTReader::getSwitchCaseWithID(unsigned ID) { |
| 9052 | assert((*CurrSwitchCaseStmts)[ID] != nullptr && "No SwitchCase with this ID" ); |
| 9053 | return (*CurrSwitchCaseStmts)[ID]; |
| 9054 | } |
| 9055 | |
| 9056 | void ASTReader::ClearSwitchCaseIDs() { |
| 9057 | CurrSwitchCaseStmts->clear(); |
| 9058 | } |
| 9059 | |
| 9060 | void ASTReader::() { |
| 9061 | ASTContext &Context = getContext(); |
| 9062 | std::vector<RawComment *> ; |
| 9063 | for (SmallVectorImpl<std::pair<BitstreamCursor, |
| 9064 | serialization::ModuleFile *>>::iterator |
| 9065 | I = CommentsCursors.begin(), |
| 9066 | E = CommentsCursors.end(); |
| 9067 | I != E; ++I) { |
| 9068 | Comments.clear(); |
| 9069 | BitstreamCursor &Cursor = I->first; |
| 9070 | serialization::ModuleFile &F = *I->second; |
| 9071 | SavedStreamPosition SavedPosition(Cursor); |
| 9072 | |
| 9073 | RecordData Record; |
| 9074 | while (true) { |
| 9075 | Expected<llvm::BitstreamEntry> MaybeEntry = |
| 9076 | Cursor.advanceSkippingSubblocks( |
| 9077 | BitstreamCursor::AF_DontPopBlockAtEnd); |
| 9078 | if (!MaybeEntry) { |
| 9079 | Error(MaybeEntry.takeError()); |
| 9080 | return; |
| 9081 | } |
| 9082 | llvm::BitstreamEntry Entry = MaybeEntry.get(); |
| 9083 | |
| 9084 | switch (Entry.Kind) { |
| 9085 | case llvm::BitstreamEntry::SubBlock: // Handled for us already. |
| 9086 | case llvm::BitstreamEntry::Error: |
| 9087 | Error("malformed block record in AST file" ); |
| 9088 | return; |
| 9089 | case llvm::BitstreamEntry::EndBlock: |
| 9090 | goto NextCursor; |
| 9091 | case llvm::BitstreamEntry::Record: |
| 9092 | // The interesting case. |
| 9093 | break; |
| 9094 | } |
| 9095 | |
| 9096 | // Read a record. |
| 9097 | Record.clear(); |
| 9098 | Expected<unsigned> = Cursor.readRecord(Entry.ID, Record); |
| 9099 | if (!MaybeComment) { |
| 9100 | Error(MaybeComment.takeError()); |
| 9101 | return; |
| 9102 | } |
| 9103 | switch ((CommentRecordTypes)MaybeComment.get()) { |
| 9104 | case COMMENTS_RAW_COMMENT: { |
| 9105 | unsigned Idx = 0; |
| 9106 | SourceRange SR = ReadSourceRange(F, Record, Idx); |
| 9107 | RawComment::CommentKind Kind = |
| 9108 | (RawComment::CommentKind) Record[Idx++]; |
| 9109 | bool = Record[Idx++]; |
| 9110 | bool = Record[Idx++]; |
| 9111 | Comments.push_back(new (Context) RawComment( |
| 9112 | SR, Kind, IsTrailingComment, IsAlmostTrailingComment)); |
| 9113 | break; |
| 9114 | } |
| 9115 | } |
| 9116 | } |
| 9117 | NextCursor: |
| 9118 | llvm::DenseMap<FileID, std::map<unsigned, RawComment *>> |
| 9119 | ; |
| 9120 | for (RawComment *C : Comments) { |
| 9121 | SourceLocation = C->getBeginLoc(); |
| 9122 | if (CommentLoc.isValid()) { |
| 9123 | std::pair<FileID, unsigned> Loc = |
| 9124 | SourceMgr.getDecomposedLoc(CommentLoc); |
| 9125 | if (Loc.first.isValid()) |
| 9126 | Context.Comments.OrderedComments[Loc.first].emplace(Loc.second, C); |
| 9127 | } |
| 9128 | } |
| 9129 | } |
| 9130 | } |
| 9131 | |
| 9132 | void ASTReader::visitInputFiles(serialization::ModuleFile &MF, |
| 9133 | bool IncludeSystem, bool Complain, |
| 9134 | llvm::function_ref<void(const serialization::InputFile &IF, |
| 9135 | bool isSystem)> Visitor) { |
| 9136 | unsigned NumUserInputs = MF.NumUserInputFiles; |
| 9137 | unsigned NumInputs = MF.InputFilesLoaded.size(); |
| 9138 | assert(NumUserInputs <= NumInputs); |
| 9139 | unsigned N = IncludeSystem ? NumInputs : NumUserInputs; |
| 9140 | for (unsigned I = 0; I < N; ++I) { |
| 9141 | bool IsSystem = I >= NumUserInputs; |
| 9142 | InputFile IF = getInputFile(MF, I+1, Complain); |
| 9143 | Visitor(IF, IsSystem); |
| 9144 | } |
| 9145 | } |
| 9146 | |
| 9147 | void ASTReader::visitTopLevelModuleMaps( |
| 9148 | serialization::ModuleFile &MF, |
| 9149 | llvm::function_ref<void(const FileEntry *FE)> Visitor) { |
| 9150 | unsigned NumInputs = MF.InputFilesLoaded.size(); |
| 9151 | for (unsigned I = 0; I < NumInputs; ++I) { |
| 9152 | InputFileInfo IFI = readInputFileInfo(MF, I + 1); |
| 9153 | if (IFI.TopLevelModuleMap) |
| 9154 | // FIXME: This unnecessarily re-reads the InputFileInfo. |
| 9155 | if (auto FE = getInputFile(MF, I + 1).getFile()) |
| 9156 | Visitor(FE); |
| 9157 | } |
| 9158 | } |
| 9159 | |
| 9160 | std::string ASTReader::getOwningModuleNameForDiagnostic(const Decl *D) { |
| 9161 | // If we know the owning module, use it. |
| 9162 | if (Module *M = D->getImportedOwningModule()) |
| 9163 | return M->getFullModuleName(); |
| 9164 | |
| 9165 | // Otherwise, use the name of the top-level module the decl is within. |
| 9166 | if (ModuleFile *M = getOwningModuleFile(D)) |
| 9167 | return M->ModuleName; |
| 9168 | |
| 9169 | // Not from a module. |
| 9170 | return {}; |
| 9171 | } |
| 9172 | |
| 9173 | void ASTReader::finishPendingActions() { |
| 9174 | while (!PendingIdentifierInfos.empty() || !PendingFunctionTypes.empty() || |
| 9175 | !PendingIncompleteDeclChains.empty() || !PendingDeclChains.empty() || |
| 9176 | !PendingMacroIDs.empty() || !PendingDeclContextInfos.empty() || |
| 9177 | !PendingUpdateRecords.empty()) { |
| 9178 | // If any identifiers with corresponding top-level declarations have |
| 9179 | // been loaded, load those declarations now. |
| 9180 | using TopLevelDeclsMap = |
| 9181 | llvm::DenseMap<IdentifierInfo *, SmallVector<Decl *, 2>>; |
| 9182 | TopLevelDeclsMap TopLevelDecls; |
| 9183 | |
| 9184 | while (!PendingIdentifierInfos.empty()) { |
| 9185 | IdentifierInfo *II = PendingIdentifierInfos.back().first; |
| 9186 | SmallVector<uint32_t, 4> DeclIDs = |
| 9187 | std::move(PendingIdentifierInfos.back().second); |
| 9188 | PendingIdentifierInfos.pop_back(); |
| 9189 | |
| 9190 | SetGloballyVisibleDecls(II, DeclIDs, &TopLevelDecls[II]); |
| 9191 | } |
| 9192 | |
| 9193 | // Load each function type that we deferred loading because it was a |
| 9194 | // deduced type that might refer to a local type declared within itself. |
| 9195 | for (unsigned I = 0; I != PendingFunctionTypes.size(); ++I) { |
| 9196 | auto *FD = PendingFunctionTypes[I].first; |
| 9197 | FD->setType(GetType(PendingFunctionTypes[I].second)); |
| 9198 | |
| 9199 | // If we gave a function a deduced return type, remember that we need to |
| 9200 | // propagate that along the redeclaration chain. |
| 9201 | auto *DT = FD->getReturnType()->getContainedDeducedType(); |
| 9202 | if (DT && DT->isDeduced()) |
| 9203 | PendingDeducedTypeUpdates.insert( |
| 9204 | {FD->getCanonicalDecl(), FD->getReturnType()}); |
| 9205 | } |
| 9206 | PendingFunctionTypes.clear(); |
| 9207 | |
| 9208 | // For each decl chain that we wanted to complete while deserializing, mark |
| 9209 | // it as "still needs to be completed". |
| 9210 | for (unsigned I = 0; I != PendingIncompleteDeclChains.size(); ++I) { |
| 9211 | markIncompleteDeclChain(PendingIncompleteDeclChains[I]); |
| 9212 | } |
| 9213 | PendingIncompleteDeclChains.clear(); |
| 9214 | |
| 9215 | // Load pending declaration chains. |
| 9216 | for (unsigned I = 0; I != PendingDeclChains.size(); ++I) |
| 9217 | loadPendingDeclChain(PendingDeclChains[I].first, |
| 9218 | PendingDeclChains[I].second); |
| 9219 | PendingDeclChains.clear(); |
| 9220 | |
| 9221 | // Make the most recent of the top-level declarations visible. |
| 9222 | for (TopLevelDeclsMap::iterator TLD = TopLevelDecls.begin(), |
| 9223 | TLDEnd = TopLevelDecls.end(); TLD != TLDEnd; ++TLD) { |
| 9224 | IdentifierInfo *II = TLD->first; |
| 9225 | for (unsigned I = 0, N = TLD->second.size(); I != N; ++I) { |
| 9226 | pushExternalDeclIntoScope(cast<NamedDecl>(TLD->second[I]), II); |
| 9227 | } |
| 9228 | } |
| 9229 | |
| 9230 | // Load any pending macro definitions. |
| 9231 | for (unsigned I = 0; I != PendingMacroIDs.size(); ++I) { |
| 9232 | IdentifierInfo *II = PendingMacroIDs.begin()[I].first; |
| 9233 | SmallVector<PendingMacroInfo, 2> GlobalIDs; |
| 9234 | GlobalIDs.swap(PendingMacroIDs.begin()[I].second); |
| 9235 | // Initialize the macro history from chained-PCHs ahead of module imports. |
| 9236 | for (unsigned IDIdx = 0, NumIDs = GlobalIDs.size(); IDIdx != NumIDs; |
| 9237 | ++IDIdx) { |
| 9238 | const PendingMacroInfo &Info = GlobalIDs[IDIdx]; |
| 9239 | if (!Info.M->isModule()) |
| 9240 | resolvePendingMacro(II, Info); |
| 9241 | } |
| 9242 | // Handle module imports. |
| 9243 | for (unsigned IDIdx = 0, NumIDs = GlobalIDs.size(); IDIdx != NumIDs; |
| 9244 | ++IDIdx) { |
| 9245 | const PendingMacroInfo &Info = GlobalIDs[IDIdx]; |
| 9246 | if (Info.M->isModule()) |
| 9247 | resolvePendingMacro(II, Info); |
| 9248 | } |
| 9249 | } |
| 9250 | PendingMacroIDs.clear(); |
| 9251 | |
| 9252 | // Wire up the DeclContexts for Decls that we delayed setting until |
| 9253 | // recursive loading is completed. |
| 9254 | while (!PendingDeclContextInfos.empty()) { |
| 9255 | PendingDeclContextInfo Info = PendingDeclContextInfos.front(); |
| 9256 | PendingDeclContextInfos.pop_front(); |
| 9257 | DeclContext *SemaDC = cast<DeclContext>(GetDecl(Info.SemaDC)); |
| 9258 | DeclContext *LexicalDC = cast<DeclContext>(GetDecl(Info.LexicalDC)); |
| 9259 | Info.D->setDeclContextsImpl(SemaDC, LexicalDC, getContext()); |
| 9260 | } |
| 9261 | |
| 9262 | // Perform any pending declaration updates. |
| 9263 | while (!PendingUpdateRecords.empty()) { |
| 9264 | auto Update = PendingUpdateRecords.pop_back_val(); |
| 9265 | ReadingKindTracker ReadingKind(Read_Decl, *this); |
| 9266 | loadDeclUpdateRecords(Update); |
| 9267 | } |
| 9268 | } |
| 9269 | |
| 9270 | // At this point, all update records for loaded decls are in place, so any |
| 9271 | // fake class definitions should have become real. |
| 9272 | assert(PendingFakeDefinitionData.empty() && |
| 9273 | "faked up a class definition but never saw the real one" ); |
| 9274 | |
| 9275 | // If we deserialized any C++ or Objective-C class definitions, any |
| 9276 | // Objective-C protocol definitions, or any redeclarable templates, make sure |
| 9277 | // that all redeclarations point to the definitions. Note that this can only |
| 9278 | // happen now, after the redeclaration chains have been fully wired. |
| 9279 | for (Decl *D : PendingDefinitions) { |
| 9280 | if (TagDecl *TD = dyn_cast<TagDecl>(D)) { |
| 9281 | if (const TagType *TagT = dyn_cast<TagType>(TD->getTypeForDecl())) { |
| 9282 | // Make sure that the TagType points at the definition. |
| 9283 | const_cast<TagType*>(TagT)->decl = TD; |
| 9284 | } |
| 9285 | |
| 9286 | if (auto RD = dyn_cast<CXXRecordDecl>(D)) { |
| 9287 | for (auto *R = getMostRecentExistingDecl(RD); R; |
| 9288 | R = R->getPreviousDecl()) { |
| 9289 | assert((R == D) == |
| 9290 | cast<CXXRecordDecl>(R)->isThisDeclarationADefinition() && |
| 9291 | "declaration thinks it's the definition but it isn't" ); |
| 9292 | cast<CXXRecordDecl>(R)->DefinitionData = RD->DefinitionData; |
| 9293 | } |
| 9294 | } |
| 9295 | |
| 9296 | continue; |
| 9297 | } |
| 9298 | |
| 9299 | if (auto ID = dyn_cast<ObjCInterfaceDecl>(D)) { |
| 9300 | // Make sure that the ObjCInterfaceType points at the definition. |
| 9301 | const_cast<ObjCInterfaceType *>(cast<ObjCInterfaceType>(ID->TypeForDecl)) |
| 9302 | ->Decl = ID; |
| 9303 | |
| 9304 | for (auto *R = getMostRecentExistingDecl(ID); R; R = R->getPreviousDecl()) |
| 9305 | cast<ObjCInterfaceDecl>(R)->Data = ID->Data; |
| 9306 | |
| 9307 | continue; |
| 9308 | } |
| 9309 | |
| 9310 | if (auto PD = dyn_cast<ObjCProtocolDecl>(D)) { |
| 9311 | for (auto *R = getMostRecentExistingDecl(PD); R; R = R->getPreviousDecl()) |
| 9312 | cast<ObjCProtocolDecl>(R)->Data = PD->Data; |
| 9313 | |
| 9314 | continue; |
| 9315 | } |
| 9316 | |
| 9317 | auto RTD = cast<RedeclarableTemplateDecl>(D)->getCanonicalDecl(); |
| 9318 | for (auto *R = getMostRecentExistingDecl(RTD); R; R = R->getPreviousDecl()) |
| 9319 | cast<RedeclarableTemplateDecl>(R)->Common = RTD->Common; |
| 9320 | } |
| 9321 | PendingDefinitions.clear(); |
| 9322 | |
| 9323 | // Load the bodies of any functions or methods we've encountered. We do |
| 9324 | // this now (delayed) so that we can be sure that the declaration chains |
| 9325 | // have been fully wired up (hasBody relies on this). |
| 9326 | // FIXME: We shouldn't require complete redeclaration chains here. |
| 9327 | for (PendingBodiesMap::iterator PB = PendingBodies.begin(), |
| 9328 | PBEnd = PendingBodies.end(); |
| 9329 | PB != PBEnd; ++PB) { |
| 9330 | if (FunctionDecl *FD = dyn_cast<FunctionDecl>(PB->first)) { |
| 9331 | // For a function defined inline within a class template, force the |
| 9332 | // canonical definition to be the one inside the canonical definition of |
| 9333 | // the template. This ensures that we instantiate from a correct view |
| 9334 | // of the template. |
| 9335 | // |
| 9336 | // Sadly we can't do this more generally: we can't be sure that all |
| 9337 | // copies of an arbitrary class definition will have the same members |
| 9338 | // defined (eg, some member functions may not be instantiated, and some |
| 9339 | // special members may or may not have been implicitly defined). |
| 9340 | if (auto *RD = dyn_cast<CXXRecordDecl>(FD->getLexicalParent())) |
| 9341 | if (RD->isDependentContext() && !RD->isThisDeclarationADefinition()) |
| 9342 | continue; |
| 9343 | |
| 9344 | // FIXME: Check for =delete/=default? |
| 9345 | // FIXME: Complain about ODR violations here? |
| 9346 | const FunctionDecl *Defn = nullptr; |
| 9347 | if (!getContext().getLangOpts().Modules || !FD->hasBody(Defn)) { |
| 9348 | FD->setLazyBody(PB->second); |
| 9349 | } else { |
| 9350 | auto *NonConstDefn = const_cast<FunctionDecl*>(Defn); |
| 9351 | mergeDefinitionVisibility(NonConstDefn, FD); |
| 9352 | |
| 9353 | if (!FD->isLateTemplateParsed() && |
| 9354 | !NonConstDefn->isLateTemplateParsed() && |
| 9355 | FD->getODRHash() != NonConstDefn->getODRHash()) { |
| 9356 | if (!isa<CXXMethodDecl>(FD)) { |
| 9357 | PendingFunctionOdrMergeFailures[FD].push_back(NonConstDefn); |
| 9358 | } else if (FD->getLexicalParent()->isFileContext() && |
| 9359 | NonConstDefn->getLexicalParent()->isFileContext()) { |
| 9360 | // Only diagnose out-of-line method definitions. If they are |
| 9361 | // in class definitions, then an error will be generated when |
| 9362 | // processing the class bodies. |
| 9363 | PendingFunctionOdrMergeFailures[FD].push_back(NonConstDefn); |
| 9364 | } |
| 9365 | } |
| 9366 | } |
| 9367 | continue; |
| 9368 | } |
| 9369 | |
| 9370 | ObjCMethodDecl *MD = cast<ObjCMethodDecl>(PB->first); |
| 9371 | if (!getContext().getLangOpts().Modules || !MD->hasBody()) |
| 9372 | MD->setLazyBody(PB->second); |
| 9373 | } |
| 9374 | PendingBodies.clear(); |
| 9375 | |
| 9376 | // Do some cleanup. |
| 9377 | for (auto *ND : PendingMergedDefinitionsToDeduplicate) |
| 9378 | getContext().deduplicateMergedDefinitonsFor(ND); |
| 9379 | PendingMergedDefinitionsToDeduplicate.clear(); |
| 9380 | } |
| 9381 | |
| 9382 | void ASTReader::diagnoseOdrViolations() { |
| 9383 | if (PendingOdrMergeFailures.empty() && PendingOdrMergeChecks.empty() && |
| 9384 | PendingFunctionOdrMergeFailures.empty() && |
| 9385 | PendingEnumOdrMergeFailures.empty()) |
| 9386 | return; |
| 9387 | |
| 9388 | // Trigger the import of the full definition of each class that had any |
| 9389 | // odr-merging problems, so we can produce better diagnostics for them. |
| 9390 | // These updates may in turn find and diagnose some ODR failures, so take |
| 9391 | // ownership of the set first. |
| 9392 | auto OdrMergeFailures = std::move(PendingOdrMergeFailures); |
| 9393 | PendingOdrMergeFailures.clear(); |
| 9394 | for (auto &Merge : OdrMergeFailures) { |
| 9395 | Merge.first->buildLookup(); |
| 9396 | Merge.first->decls_begin(); |
| 9397 | Merge.first->bases_begin(); |
| 9398 | Merge.first->vbases_begin(); |
| 9399 | for (auto &RecordPair : Merge.second) { |
| 9400 | auto *RD = RecordPair.first; |
| 9401 | RD->decls_begin(); |
| 9402 | RD->bases_begin(); |
| 9403 | RD->vbases_begin(); |
| 9404 | } |
| 9405 | } |
| 9406 | |
| 9407 | // Trigger the import of functions. |
| 9408 | auto FunctionOdrMergeFailures = std::move(PendingFunctionOdrMergeFailures); |
| 9409 | PendingFunctionOdrMergeFailures.clear(); |
| 9410 | for (auto &Merge : FunctionOdrMergeFailures) { |
| 9411 | Merge.first->buildLookup(); |
| 9412 | Merge.first->decls_begin(); |
| 9413 | Merge.first->getBody(); |
| 9414 | for (auto &FD : Merge.second) { |
| 9415 | FD->buildLookup(); |
| 9416 | FD->decls_begin(); |
| 9417 | FD->getBody(); |
| 9418 | } |
| 9419 | } |
| 9420 | |
| 9421 | // Trigger the import of enums. |
| 9422 | auto EnumOdrMergeFailures = std::move(PendingEnumOdrMergeFailures); |
| 9423 | PendingEnumOdrMergeFailures.clear(); |
| 9424 | for (auto &Merge : EnumOdrMergeFailures) { |
| 9425 | Merge.first->decls_begin(); |
| 9426 | for (auto &Enum : Merge.second) { |
| 9427 | Enum->decls_begin(); |
| 9428 | } |
| 9429 | } |
| 9430 | |
| 9431 | // For each declaration from a merged context, check that the canonical |
| 9432 | // definition of that context also contains a declaration of the same |
| 9433 | // entity. |
| 9434 | // |
| 9435 | // Caution: this loop does things that might invalidate iterators into |
| 9436 | // PendingOdrMergeChecks. Don't turn this into a range-based for loop! |
| 9437 | while (!PendingOdrMergeChecks.empty()) { |
| 9438 | NamedDecl *D = PendingOdrMergeChecks.pop_back_val(); |
| 9439 | |
| 9440 | // FIXME: Skip over implicit declarations for now. This matters for things |
| 9441 | // like implicitly-declared special member functions. This isn't entirely |
| 9442 | // correct; we can end up with multiple unmerged declarations of the same |
| 9443 | // implicit entity. |
| 9444 | if (D->isImplicit()) |
| 9445 | continue; |
| 9446 | |
| 9447 | DeclContext *CanonDef = D->getDeclContext(); |
| 9448 | |
| 9449 | bool Found = false; |
| 9450 | const Decl *DCanon = D->getCanonicalDecl(); |
| 9451 | |
| 9452 | for (auto RI : D->redecls()) { |
| 9453 | if (RI->getLexicalDeclContext() == CanonDef) { |
| 9454 | Found = true; |
| 9455 | break; |
| 9456 | } |
| 9457 | } |
| 9458 | if (Found) |
| 9459 | continue; |
| 9460 | |
| 9461 | // Quick check failed, time to do the slow thing. Note, we can't just |
| 9462 | // look up the name of D in CanonDef here, because the member that is |
| 9463 | // in CanonDef might not be found by name lookup (it might have been |
| 9464 | // replaced by a more recent declaration in the lookup table), and we |
| 9465 | // can't necessarily find it in the redeclaration chain because it might |
| 9466 | // be merely mergeable, not redeclarable. |
| 9467 | llvm::SmallVector<const NamedDecl*, 4> Candidates; |
| 9468 | for (auto *CanonMember : CanonDef->decls()) { |
| 9469 | if (CanonMember->getCanonicalDecl() == DCanon) { |
| 9470 | // This can happen if the declaration is merely mergeable and not |
| 9471 | // actually redeclarable (we looked for redeclarations earlier). |
| 9472 | // |
| 9473 | // FIXME: We should be able to detect this more efficiently, without |
| 9474 | // pulling in all of the members of CanonDef. |
| 9475 | Found = true; |
| 9476 | break; |
| 9477 | } |
| 9478 | if (auto *ND = dyn_cast<NamedDecl>(CanonMember)) |
| 9479 | if (ND->getDeclName() == D->getDeclName()) |
| 9480 | Candidates.push_back(ND); |
| 9481 | } |
| 9482 | |
| 9483 | if (!Found) { |
| 9484 | // The AST doesn't like TagDecls becoming invalid after they've been |
| 9485 | // completed. We only really need to mark FieldDecls as invalid here. |
| 9486 | if (!isa<TagDecl>(D)) |
| 9487 | D->setInvalidDecl(); |
| 9488 | |
| 9489 | // Ensure we don't accidentally recursively enter deserialization while |
| 9490 | // we're producing our diagnostic. |
| 9491 | Deserializing RecursionGuard(this); |
| 9492 | |
| 9493 | std::string CanonDefModule = |
| 9494 | getOwningModuleNameForDiagnostic(cast<Decl>(CanonDef)); |
| 9495 | Diag(D->getLocation(), diag::err_module_odr_violation_missing_decl) |
| 9496 | << D << getOwningModuleNameForDiagnostic(D) |
| 9497 | << CanonDef << CanonDefModule.empty() << CanonDefModule; |
| 9498 | |
| 9499 | if (Candidates.empty()) |
| 9500 | Diag(cast<Decl>(CanonDef)->getLocation(), |
| 9501 | diag::note_module_odr_violation_no_possible_decls) << D; |
| 9502 | else { |
| 9503 | for (unsigned I = 0, N = Candidates.size(); I != N; ++I) |
| 9504 | Diag(Candidates[I]->getLocation(), |
| 9505 | diag::note_module_odr_violation_possible_decl) |
| 9506 | << Candidates[I]; |
| 9507 | } |
| 9508 | |
| 9509 | DiagnosedOdrMergeFailures.insert(CanonDef); |
| 9510 | } |
| 9511 | } |
| 9512 | |
| 9513 | if (OdrMergeFailures.empty() && FunctionOdrMergeFailures.empty() && |
| 9514 | EnumOdrMergeFailures.empty()) |
| 9515 | return; |
| 9516 | |
| 9517 | // Ensure we don't accidentally recursively enter deserialization while |
| 9518 | // we're producing our diagnostics. |
| 9519 | Deserializing RecursionGuard(this); |
| 9520 | |
| 9521 | // Common code for hashing helpers. |
| 9522 | ODRHash Hash; |
| 9523 | auto ComputeQualTypeODRHash = [&Hash](QualType Ty) { |
| 9524 | Hash.clear(); |
| 9525 | Hash.AddQualType(Ty); |
| 9526 | return Hash.CalculateHash(); |
| 9527 | }; |
| 9528 | |
| 9529 | auto ComputeODRHash = [&Hash](const Stmt *S) { |
| 9530 | assert(S); |
| 9531 | Hash.clear(); |
| 9532 | Hash.AddStmt(S); |
| 9533 | return Hash.CalculateHash(); |
| 9534 | }; |
| 9535 | |
| 9536 | auto ComputeSubDeclODRHash = [&Hash](const Decl *D) { |
| 9537 | assert(D); |
| 9538 | Hash.clear(); |
| 9539 | Hash.AddSubDecl(D); |
| 9540 | return Hash.CalculateHash(); |
| 9541 | }; |
| 9542 | |
| 9543 | auto ComputeTemplateArgumentODRHash = [&Hash](const TemplateArgument &TA) { |
| 9544 | Hash.clear(); |
| 9545 | Hash.AddTemplateArgument(TA); |
| 9546 | return Hash.CalculateHash(); |
| 9547 | }; |
| 9548 | |
| 9549 | auto ComputeTemplateParameterListODRHash = |
| 9550 | [&Hash](const TemplateParameterList *TPL) { |
| 9551 | assert(TPL); |
| 9552 | Hash.clear(); |
| 9553 | Hash.AddTemplateParameterList(TPL); |
| 9554 | return Hash.CalculateHash(); |
| 9555 | }; |
| 9556 | |
| 9557 | // Used with err_module_odr_violation_mismatch_decl and |
| 9558 | // note_module_odr_violation_mismatch_decl |
| 9559 | // This list should be the same Decl's as in ODRHash::isDeclToBeProcessed |
| 9560 | enum ODRMismatchDecl { |
| 9561 | EndOfClass, |
| 9562 | PublicSpecifer, |
| 9563 | PrivateSpecifer, |
| 9564 | ProtectedSpecifer, |
| 9565 | StaticAssert, |
| 9566 | Field, |
| 9567 | CXXMethod, |
| 9568 | TypeAlias, |
| 9569 | TypeDef, |
| 9570 | Var, |
| 9571 | Friend, |
| 9572 | FunctionTemplate, |
| 9573 | Other |
| 9574 | }; |
| 9575 | |
| 9576 | // Used with err_module_odr_violation_mismatch_decl_diff and |
| 9577 | // note_module_odr_violation_mismatch_decl_diff |
| 9578 | enum ODRMismatchDeclDifference { |
| 9579 | StaticAssertCondition, |
| 9580 | StaticAssertMessage, |
| 9581 | StaticAssertOnlyMessage, |
| 9582 | FieldName, |
| 9583 | FieldTypeName, |
| 9584 | FieldSingleBitField, |
| 9585 | FieldDifferentWidthBitField, |
| 9586 | FieldSingleMutable, |
| 9587 | FieldSingleInitializer, |
| 9588 | FieldDifferentInitializers, |
| 9589 | MethodName, |
| 9590 | MethodDeleted, |
| 9591 | MethodDefaulted, |
| 9592 | MethodVirtual, |
| 9593 | MethodStatic, |
| 9594 | MethodVolatile, |
| 9595 | MethodConst, |
| 9596 | MethodInline, |
| 9597 | MethodNumberParameters, |
| 9598 | MethodParameterType, |
| 9599 | MethodParameterName, |
| 9600 | MethodParameterSingleDefaultArgument, |
| 9601 | MethodParameterDifferentDefaultArgument, |
| 9602 | MethodNoTemplateArguments, |
| 9603 | MethodDifferentNumberTemplateArguments, |
| 9604 | MethodDifferentTemplateArgument, |
| 9605 | MethodSingleBody, |
| 9606 | MethodDifferentBody, |
| 9607 | TypedefName, |
| 9608 | TypedefType, |
| 9609 | VarName, |
| 9610 | VarType, |
| 9611 | VarSingleInitializer, |
| 9612 | VarDifferentInitializer, |
| 9613 | VarConstexpr, |
| 9614 | FriendTypeFunction, |
| 9615 | FriendType, |
| 9616 | FriendFunction, |
| 9617 | FunctionTemplateDifferentNumberParameters, |
| 9618 | FunctionTemplateParameterDifferentKind, |
| 9619 | FunctionTemplateParameterName, |
| 9620 | FunctionTemplateParameterSingleDefaultArgument, |
| 9621 | FunctionTemplateParameterDifferentDefaultArgument, |
| 9622 | FunctionTemplateParameterDifferentType, |
| 9623 | FunctionTemplatePackParameter, |
| 9624 | }; |
| 9625 | |
| 9626 | // These lambdas have the common portions of the ODR diagnostics. This |
| 9627 | // has the same return as Diag(), so addition parameters can be passed |
| 9628 | // in with operator<< |
| 9629 | auto ODRDiagDeclError = [this](NamedDecl *FirstRecord, StringRef FirstModule, |
| 9630 | SourceLocation Loc, SourceRange Range, |
| 9631 | ODRMismatchDeclDifference DiffType) { |
| 9632 | return Diag(Loc, diag::err_module_odr_violation_mismatch_decl_diff) |
| 9633 | << FirstRecord << FirstModule.empty() << FirstModule << Range |
| 9634 | << DiffType; |
| 9635 | }; |
| 9636 | auto ODRDiagDeclNote = [this](StringRef SecondModule, SourceLocation Loc, |
| 9637 | SourceRange Range, ODRMismatchDeclDifference DiffType) { |
| 9638 | return Diag(Loc, diag::note_module_odr_violation_mismatch_decl_diff) |
| 9639 | << SecondModule << Range << DiffType; |
| 9640 | }; |
| 9641 | |
| 9642 | auto ODRDiagField = [this, &ODRDiagDeclError, &ODRDiagDeclNote, |
| 9643 | &ComputeQualTypeODRHash, &ComputeODRHash]( |
| 9644 | NamedDecl *FirstRecord, StringRef FirstModule, |
| 9645 | StringRef SecondModule, FieldDecl *FirstField, |
| 9646 | FieldDecl *SecondField) { |
| 9647 | IdentifierInfo *FirstII = FirstField->getIdentifier(); |
| 9648 | IdentifierInfo *SecondII = SecondField->getIdentifier(); |
| 9649 | if (FirstII->getName() != SecondII->getName()) { |
| 9650 | ODRDiagDeclError(FirstRecord, FirstModule, FirstField->getLocation(), |
| 9651 | FirstField->getSourceRange(), FieldName) |
| 9652 | << FirstII; |
| 9653 | ODRDiagDeclNote(SecondModule, SecondField->getLocation(), |
| 9654 | SecondField->getSourceRange(), FieldName) |
| 9655 | << SecondII; |
| 9656 | |
| 9657 | return true; |
| 9658 | } |
| 9659 | |
| 9660 | assert(getContext().hasSameType(FirstField->getType(), |
| 9661 | SecondField->getType())); |
| 9662 | |
| 9663 | QualType FirstType = FirstField->getType(); |
| 9664 | QualType SecondType = SecondField->getType(); |
| 9665 | if (ComputeQualTypeODRHash(FirstType) != |
| 9666 | ComputeQualTypeODRHash(SecondType)) { |
| 9667 | ODRDiagDeclError(FirstRecord, FirstModule, FirstField->getLocation(), |
| 9668 | FirstField->getSourceRange(), FieldTypeName) |
| 9669 | << FirstII << FirstType; |
| 9670 | ODRDiagDeclNote(SecondModule, SecondField->getLocation(), |
| 9671 | SecondField->getSourceRange(), FieldTypeName) |
| 9672 | << SecondII << SecondType; |
| 9673 | |
| 9674 | return true; |
| 9675 | } |
| 9676 | |
| 9677 | const bool IsFirstBitField = FirstField->isBitField(); |
| 9678 | const bool IsSecondBitField = SecondField->isBitField(); |
| 9679 | if (IsFirstBitField != IsSecondBitField) { |
| 9680 | ODRDiagDeclError(FirstRecord, FirstModule, FirstField->getLocation(), |
| 9681 | FirstField->getSourceRange(), FieldSingleBitField) |
| 9682 | << FirstII << IsFirstBitField; |
| 9683 | ODRDiagDeclNote(SecondModule, SecondField->getLocation(), |
| 9684 | SecondField->getSourceRange(), FieldSingleBitField) |
| 9685 | << SecondII << IsSecondBitField; |
| 9686 | return true; |
| 9687 | } |
| 9688 | |
| 9689 | if (IsFirstBitField && IsSecondBitField) { |
| 9690 | unsigned FirstBitWidthHash = |
| 9691 | ComputeODRHash(FirstField->getBitWidth()); |
| 9692 | unsigned SecondBitWidthHash = |
| 9693 | ComputeODRHash(SecondField->getBitWidth()); |
| 9694 | if (FirstBitWidthHash != SecondBitWidthHash) { |
| 9695 | ODRDiagDeclError(FirstRecord, FirstModule, FirstField->getLocation(), |
| 9696 | FirstField->getSourceRange(), |
| 9697 | FieldDifferentWidthBitField) |
| 9698 | << FirstII << FirstField->getBitWidth()->getSourceRange(); |
| 9699 | ODRDiagDeclNote(SecondModule, SecondField->getLocation(), |
| 9700 | SecondField->getSourceRange(), |
| 9701 | FieldDifferentWidthBitField) |
| 9702 | << SecondII << SecondField->getBitWidth()->getSourceRange(); |
| 9703 | return true; |
| 9704 | } |
| 9705 | } |
| 9706 | |
| 9707 | if (!PP.getLangOpts().CPlusPlus) |
| 9708 | return false; |
| 9709 | |
| 9710 | const bool IsFirstMutable = FirstField->isMutable(); |
| 9711 | const bool IsSecondMutable = SecondField->isMutable(); |
| 9712 | if (IsFirstMutable != IsSecondMutable) { |
| 9713 | ODRDiagDeclError(FirstRecord, FirstModule, FirstField->getLocation(), |
| 9714 | FirstField->getSourceRange(), FieldSingleMutable) |
| 9715 | << FirstII << IsFirstMutable; |
| 9716 | ODRDiagDeclNote(SecondModule, SecondField->getLocation(), |
| 9717 | SecondField->getSourceRange(), FieldSingleMutable) |
| 9718 | << SecondII << IsSecondMutable; |
| 9719 | return true; |
| 9720 | } |
| 9721 | |
| 9722 | const Expr *FirstInitializer = FirstField->getInClassInitializer(); |
| 9723 | const Expr *SecondInitializer = SecondField->getInClassInitializer(); |
| 9724 | if ((!FirstInitializer && SecondInitializer) || |
| 9725 | (FirstInitializer && !SecondInitializer)) { |
| 9726 | ODRDiagDeclError(FirstRecord, FirstModule, FirstField->getLocation(), |
| 9727 | FirstField->getSourceRange(), FieldSingleInitializer) |
| 9728 | << FirstII << (FirstInitializer != nullptr); |
| 9729 | ODRDiagDeclNote(SecondModule, SecondField->getLocation(), |
| 9730 | SecondField->getSourceRange(), FieldSingleInitializer) |
| 9731 | << SecondII << (SecondInitializer != nullptr); |
| 9732 | return true; |
| 9733 | } |
| 9734 | |
| 9735 | if (FirstInitializer && SecondInitializer) { |
| 9736 | unsigned FirstInitHash = ComputeODRHash(FirstInitializer); |
| 9737 | unsigned SecondInitHash = ComputeODRHash(SecondInitializer); |
| 9738 | if (FirstInitHash != SecondInitHash) { |
| 9739 | ODRDiagDeclError(FirstRecord, FirstModule, FirstField->getLocation(), |
| 9740 | FirstField->getSourceRange(), |
| 9741 | FieldDifferentInitializers) |
| 9742 | << FirstII << FirstInitializer->getSourceRange(); |
| 9743 | ODRDiagDeclNote(SecondModule, SecondField->getLocation(), |
| 9744 | SecondField->getSourceRange(), |
| 9745 | FieldDifferentInitializers) |
| 9746 | << SecondII << SecondInitializer->getSourceRange(); |
| 9747 | return true; |
| 9748 | } |
| 9749 | } |
| 9750 | |
| 9751 | return false; |
| 9752 | }; |
| 9753 | |
| 9754 | auto ODRDiagTypeDefOrAlias = |
| 9755 | [&ODRDiagDeclError, &ODRDiagDeclNote, &ComputeQualTypeODRHash]( |
| 9756 | NamedDecl *FirstRecord, StringRef FirstModule, StringRef SecondModule, |
| 9757 | TypedefNameDecl *FirstTD, TypedefNameDecl *SecondTD, |
| 9758 | bool IsTypeAlias) { |
| 9759 | auto FirstName = FirstTD->getDeclName(); |
| 9760 | auto SecondName = SecondTD->getDeclName(); |
| 9761 | if (FirstName != SecondName) { |
| 9762 | ODRDiagDeclError(FirstRecord, FirstModule, FirstTD->getLocation(), |
| 9763 | FirstTD->getSourceRange(), TypedefName) |
| 9764 | << IsTypeAlias << FirstName; |
| 9765 | ODRDiagDeclNote(SecondModule, SecondTD->getLocation(), |
| 9766 | SecondTD->getSourceRange(), TypedefName) |
| 9767 | << IsTypeAlias << SecondName; |
| 9768 | return true; |
| 9769 | } |
| 9770 | |
| 9771 | QualType FirstType = FirstTD->getUnderlyingType(); |
| 9772 | QualType SecondType = SecondTD->getUnderlyingType(); |
| 9773 | if (ComputeQualTypeODRHash(FirstType) != |
| 9774 | ComputeQualTypeODRHash(SecondType)) { |
| 9775 | ODRDiagDeclError(FirstRecord, FirstModule, FirstTD->getLocation(), |
| 9776 | FirstTD->getSourceRange(), TypedefType) |
| 9777 | << IsTypeAlias << FirstName << FirstType; |
| 9778 | ODRDiagDeclNote(SecondModule, SecondTD->getLocation(), |
| 9779 | SecondTD->getSourceRange(), TypedefType) |
| 9780 | << IsTypeAlias << SecondName << SecondType; |
| 9781 | return true; |
| 9782 | } |
| 9783 | |
| 9784 | return false; |
| 9785 | }; |
| 9786 | |
| 9787 | auto ODRDiagVar = [&ODRDiagDeclError, &ODRDiagDeclNote, |
| 9788 | &ComputeQualTypeODRHash, &ComputeODRHash, |
| 9789 | this](NamedDecl *FirstRecord, StringRef FirstModule, |
| 9790 | StringRef SecondModule, VarDecl *FirstVD, |
| 9791 | VarDecl *SecondVD) { |
| 9792 | auto FirstName = FirstVD->getDeclName(); |
| 9793 | auto SecondName = SecondVD->getDeclName(); |
| 9794 | if (FirstName != SecondName) { |
| 9795 | ODRDiagDeclError(FirstRecord, FirstModule, FirstVD->getLocation(), |
| 9796 | FirstVD->getSourceRange(), VarName) |
| 9797 | << FirstName; |
| 9798 | ODRDiagDeclNote(SecondModule, SecondVD->getLocation(), |
| 9799 | SecondVD->getSourceRange(), VarName) |
| 9800 | << SecondName; |
| 9801 | return true; |
| 9802 | } |
| 9803 | |
| 9804 | QualType FirstType = FirstVD->getType(); |
| 9805 | QualType SecondType = SecondVD->getType(); |
| 9806 | if (ComputeQualTypeODRHash(FirstType) != |
| 9807 | ComputeQualTypeODRHash(SecondType)) { |
| 9808 | ODRDiagDeclError(FirstRecord, FirstModule, FirstVD->getLocation(), |
| 9809 | FirstVD->getSourceRange(), VarType) |
| 9810 | << FirstName << FirstType; |
| 9811 | ODRDiagDeclNote(SecondModule, SecondVD->getLocation(), |
| 9812 | SecondVD->getSourceRange(), VarType) |
| 9813 | << SecondName << SecondType; |
| 9814 | return true; |
| 9815 | } |
| 9816 | |
| 9817 | if (!PP.getLangOpts().CPlusPlus) |
| 9818 | return false; |
| 9819 | |
| 9820 | const Expr *FirstInit = FirstVD->getInit(); |
| 9821 | const Expr *SecondInit = SecondVD->getInit(); |
| 9822 | if ((FirstInit == nullptr) != (SecondInit == nullptr)) { |
| 9823 | ODRDiagDeclError(FirstRecord, FirstModule, FirstVD->getLocation(), |
| 9824 | FirstVD->getSourceRange(), VarSingleInitializer) |
| 9825 | << FirstName << (FirstInit == nullptr) |
| 9826 | << (FirstInit ? FirstInit->getSourceRange() : SourceRange()); |
| 9827 | ODRDiagDeclNote(SecondModule, SecondVD->getLocation(), |
| 9828 | SecondVD->getSourceRange(), VarSingleInitializer) |
| 9829 | << SecondName << (SecondInit == nullptr) |
| 9830 | << (SecondInit ? SecondInit->getSourceRange() : SourceRange()); |
| 9831 | return true; |
| 9832 | } |
| 9833 | |
| 9834 | if (FirstInit && SecondInit && |
| 9835 | ComputeODRHash(FirstInit) != ComputeODRHash(SecondInit)) { |
| 9836 | ODRDiagDeclError(FirstRecord, FirstModule, FirstVD->getLocation(), |
| 9837 | FirstVD->getSourceRange(), VarDifferentInitializer) |
| 9838 | << FirstName << FirstInit->getSourceRange(); |
| 9839 | ODRDiagDeclNote(SecondModule, SecondVD->getLocation(), |
| 9840 | SecondVD->getSourceRange(), VarDifferentInitializer) |
| 9841 | << SecondName << SecondInit->getSourceRange(); |
| 9842 | return true; |
| 9843 | } |
| 9844 | |
| 9845 | const bool FirstIsConstexpr = FirstVD->isConstexpr(); |
| 9846 | const bool SecondIsConstexpr = SecondVD->isConstexpr(); |
| 9847 | if (FirstIsConstexpr != SecondIsConstexpr) { |
| 9848 | ODRDiagDeclError(FirstRecord, FirstModule, FirstVD->getLocation(), |
| 9849 | FirstVD->getSourceRange(), VarConstexpr) |
| 9850 | << FirstName << FirstIsConstexpr; |
| 9851 | ODRDiagDeclNote(SecondModule, SecondVD->getLocation(), |
| 9852 | SecondVD->getSourceRange(), VarConstexpr) |
| 9853 | << SecondName << SecondIsConstexpr; |
| 9854 | return true; |
| 9855 | } |
| 9856 | return false; |
| 9857 | }; |
| 9858 | |
| 9859 | auto DifferenceSelector = [](Decl *D) { |
| 9860 | assert(D && "valid Decl required" ); |
| 9861 | switch (D->getKind()) { |
| 9862 | default: |
| 9863 | return Other; |
| 9864 | case Decl::AccessSpec: |
| 9865 | switch (D->getAccess()) { |
| 9866 | case AS_public: |
| 9867 | return PublicSpecifer; |
| 9868 | case AS_private: |
| 9869 | return PrivateSpecifer; |
| 9870 | case AS_protected: |
| 9871 | return ProtectedSpecifer; |
| 9872 | case AS_none: |
| 9873 | break; |
| 9874 | } |
| 9875 | llvm_unreachable("Invalid access specifier" ); |
| 9876 | case Decl::StaticAssert: |
| 9877 | return StaticAssert; |
| 9878 | case Decl::Field: |
| 9879 | return Field; |
| 9880 | case Decl::CXXMethod: |
| 9881 | case Decl::CXXConstructor: |
| 9882 | case Decl::CXXDestructor: |
| 9883 | return CXXMethod; |
| 9884 | case Decl::TypeAlias: |
| 9885 | return TypeAlias; |
| 9886 | case Decl::Typedef: |
| 9887 | return TypeDef; |
| 9888 | case Decl::Var: |
| 9889 | return Var; |
| 9890 | case Decl::Friend: |
| 9891 | return Friend; |
| 9892 | case Decl::FunctionTemplate: |
| 9893 | return FunctionTemplate; |
| 9894 | } |
| 9895 | }; |
| 9896 | |
| 9897 | using DeclHashes = llvm::SmallVector<std::pair<Decl *, unsigned>, 4>; |
| 9898 | auto PopulateHashes = [&ComputeSubDeclODRHash](DeclHashes &Hashes, |
| 9899 | RecordDecl *Record, |
| 9900 | const DeclContext *DC) { |
| 9901 | for (auto *D : Record->decls()) { |
| 9902 | if (!ODRHash::isDeclToBeProcessed(D, DC)) |
| 9903 | continue; |
| 9904 | Hashes.emplace_back(D, ComputeSubDeclODRHash(D)); |
| 9905 | } |
| 9906 | }; |
| 9907 | |
| 9908 | struct DiffResult { |
| 9909 | Decl *FirstDecl = nullptr, *SecondDecl = nullptr; |
| 9910 | ODRMismatchDecl FirstDiffType = Other, SecondDiffType = Other; |
| 9911 | }; |
| 9912 | |
| 9913 | // If there is a diagnoseable difference, FirstDiffType and |
| 9914 | // SecondDiffType will not be Other and FirstDecl and SecondDecl will be |
| 9915 | // filled in if not EndOfClass. |
| 9916 | auto FindTypeDiffs = [&DifferenceSelector](DeclHashes &FirstHashes, |
| 9917 | DeclHashes &SecondHashes) { |
| 9918 | DiffResult DR; |
| 9919 | auto FirstIt = FirstHashes.begin(); |
| 9920 | auto SecondIt = SecondHashes.begin(); |
| 9921 | while (FirstIt != FirstHashes.end() || SecondIt != SecondHashes.end()) { |
| 9922 | if (FirstIt != FirstHashes.end() && SecondIt != SecondHashes.end() && |
| 9923 | FirstIt->second == SecondIt->second) { |
| 9924 | ++FirstIt; |
| 9925 | ++SecondIt; |
| 9926 | continue; |
| 9927 | } |
| 9928 | |
| 9929 | DR.FirstDecl = FirstIt == FirstHashes.end() ? nullptr : FirstIt->first; |
| 9930 | DR.SecondDecl = |
| 9931 | SecondIt == SecondHashes.end() ? nullptr : SecondIt->first; |
| 9932 | |
| 9933 | DR.FirstDiffType = |
| 9934 | DR.FirstDecl ? DifferenceSelector(DR.FirstDecl) : EndOfClass; |
| 9935 | DR.SecondDiffType = |
| 9936 | DR.SecondDecl ? DifferenceSelector(DR.SecondDecl) : EndOfClass; |
| 9937 | return DR; |
| 9938 | } |
| 9939 | return DR; |
| 9940 | }; |
| 9941 | |
| 9942 | // Use this to diagnose that an unexpected Decl was encountered |
| 9943 | // or no difference was detected. This causes a generic error |
| 9944 | // message to be emitted. |
| 9945 | auto DiagnoseODRUnexpected = [this](DiffResult &DR, NamedDecl *FirstRecord, |
| 9946 | StringRef FirstModule, |
| 9947 | NamedDecl *SecondRecord, |
| 9948 | StringRef SecondModule) { |
| 9949 | Diag(FirstRecord->getLocation(), |
| 9950 | diag::err_module_odr_violation_different_definitions) |
| 9951 | << FirstRecord << FirstModule.empty() << FirstModule; |
| 9952 | |
| 9953 | if (DR.FirstDecl) { |
| 9954 | Diag(DR.FirstDecl->getLocation(), diag::note_first_module_difference) |
| 9955 | << FirstRecord << DR.FirstDecl->getSourceRange(); |
| 9956 | } |
| 9957 | |
| 9958 | Diag(SecondRecord->getLocation(), |
| 9959 | diag::note_module_odr_violation_different_definitions) |
| 9960 | << SecondModule; |
| 9961 | |
| 9962 | if (DR.SecondDecl) { |
| 9963 | Diag(DR.SecondDecl->getLocation(), diag::note_second_module_difference) |
| 9964 | << DR.SecondDecl->getSourceRange(); |
| 9965 | } |
| 9966 | }; |
| 9967 | |
| 9968 | auto DiagnoseODRMismatch = |
| 9969 | [this](DiffResult &DR, NamedDecl *FirstRecord, StringRef FirstModule, |
| 9970 | NamedDecl *SecondRecord, StringRef SecondModule) { |
| 9971 | SourceLocation FirstLoc; |
| 9972 | SourceRange FirstRange; |
| 9973 | auto *FirstTag = dyn_cast<TagDecl>(FirstRecord); |
| 9974 | if (DR.FirstDiffType == EndOfClass && FirstTag) { |
| 9975 | FirstLoc = FirstTag->getBraceRange().getEnd(); |
| 9976 | } else { |
| 9977 | FirstLoc = DR.FirstDecl->getLocation(); |
| 9978 | FirstRange = DR.FirstDecl->getSourceRange(); |
| 9979 | } |
| 9980 | Diag(FirstLoc, diag::err_module_odr_violation_mismatch_decl) |
| 9981 | << FirstRecord << FirstModule.empty() << FirstModule << FirstRange |
| 9982 | << DR.FirstDiffType; |
| 9983 | |
| 9984 | SourceLocation SecondLoc; |
| 9985 | SourceRange SecondRange; |
| 9986 | auto *SecondTag = dyn_cast<TagDecl>(SecondRecord); |
| 9987 | if (DR.SecondDiffType == EndOfClass && SecondTag) { |
| 9988 | SecondLoc = SecondTag->getBraceRange().getEnd(); |
| 9989 | } else { |
| 9990 | SecondLoc = DR.SecondDecl->getLocation(); |
| 9991 | SecondRange = DR.SecondDecl->getSourceRange(); |
| 9992 | } |
| 9993 | Diag(SecondLoc, diag::note_module_odr_violation_mismatch_decl) |
| 9994 | << SecondModule << SecondRange << DR.SecondDiffType; |
| 9995 | }; |
| 9996 | |
| 9997 | // Issue any pending ODR-failure diagnostics. |
| 9998 | for (auto &Merge : OdrMergeFailures) { |
| 9999 | // If we've already pointed out a specific problem with this class, don't |
| 10000 | // bother issuing a general "something's different" diagnostic. |
| 10001 | if (!DiagnosedOdrMergeFailures.insert(Merge.first).second) |
| 10002 | continue; |
| 10003 | |
| 10004 | bool Diagnosed = false; |
| 10005 | CXXRecordDecl *FirstRecord = Merge.first; |
| 10006 | std::string FirstModule = getOwningModuleNameForDiagnostic(FirstRecord); |
| 10007 | for (auto &RecordPair : Merge.second) { |
| 10008 | CXXRecordDecl *SecondRecord = RecordPair.first; |
| 10009 | // Multiple different declarations got merged together; tell the user |
| 10010 | // where they came from. |
| 10011 | if (FirstRecord == SecondRecord) |
| 10012 | continue; |
| 10013 | |
| 10014 | std::string SecondModule = getOwningModuleNameForDiagnostic(SecondRecord); |
| 10015 | |
| 10016 | auto *FirstDD = FirstRecord->DefinitionData; |
| 10017 | auto *SecondDD = RecordPair.second; |
| 10018 | |
| 10019 | assert(FirstDD && SecondDD && "Definitions without DefinitionData" ); |
| 10020 | |
| 10021 | // Diagnostics from DefinitionData are emitted here. |
| 10022 | if (FirstDD != SecondDD) { |
| 10023 | enum ODRDefinitionDataDifference { |
| 10024 | NumBases, |
| 10025 | NumVBases, |
| 10026 | BaseType, |
| 10027 | BaseVirtual, |
| 10028 | BaseAccess, |
| 10029 | }; |
| 10030 | auto ODRDiagBaseError = [FirstRecord, &FirstModule, |
| 10031 | this](SourceLocation Loc, SourceRange Range, |
| 10032 | ODRDefinitionDataDifference DiffType) { |
| 10033 | return Diag(Loc, diag::err_module_odr_violation_definition_data) |
| 10034 | << FirstRecord << FirstModule.empty() << FirstModule << Range |
| 10035 | << DiffType; |
| 10036 | }; |
| 10037 | auto ODRDiagBaseNote = [&SecondModule, |
| 10038 | this](SourceLocation Loc, SourceRange Range, |
| 10039 | ODRDefinitionDataDifference DiffType) { |
| 10040 | return Diag(Loc, diag::note_module_odr_violation_definition_data) |
| 10041 | << SecondModule << Range << DiffType; |
| 10042 | }; |
| 10043 | |
| 10044 | unsigned FirstNumBases = FirstDD->NumBases; |
| 10045 | unsigned FirstNumVBases = FirstDD->NumVBases; |
| 10046 | unsigned SecondNumBases = SecondDD->NumBases; |
| 10047 | unsigned SecondNumVBases = SecondDD->NumVBases; |
| 10048 | |
| 10049 | auto GetSourceRange = [](struct CXXRecordDecl::DefinitionData *DD) { |
| 10050 | unsigned NumBases = DD->NumBases; |
| 10051 | if (NumBases == 0) return SourceRange(); |
| 10052 | auto bases = DD->bases(); |
| 10053 | return SourceRange(bases[0].getBeginLoc(), |
| 10054 | bases[NumBases - 1].getEndLoc()); |
| 10055 | }; |
| 10056 | |
| 10057 | if (FirstNumBases != SecondNumBases) { |
| 10058 | ODRDiagBaseError(FirstRecord->getLocation(), GetSourceRange(FirstDD), |
| 10059 | NumBases) |
| 10060 | << FirstNumBases; |
| 10061 | ODRDiagBaseNote(SecondRecord->getLocation(), GetSourceRange(SecondDD), |
| 10062 | NumBases) |
| 10063 | << SecondNumBases; |
| 10064 | Diagnosed = true; |
| 10065 | break; |
| 10066 | } |
| 10067 | |
| 10068 | if (FirstNumVBases != SecondNumVBases) { |
| 10069 | ODRDiagBaseError(FirstRecord->getLocation(), GetSourceRange(FirstDD), |
| 10070 | NumVBases) |
| 10071 | << FirstNumVBases; |
| 10072 | ODRDiagBaseNote(SecondRecord->getLocation(), GetSourceRange(SecondDD), |
| 10073 | NumVBases) |
| 10074 | << SecondNumVBases; |
| 10075 | Diagnosed = true; |
| 10076 | break; |
| 10077 | } |
| 10078 | |
| 10079 | auto FirstBases = FirstDD->bases(); |
| 10080 | auto SecondBases = SecondDD->bases(); |
| 10081 | unsigned i = 0; |
| 10082 | for (i = 0; i < FirstNumBases; ++i) { |
| 10083 | auto FirstBase = FirstBases[i]; |
| 10084 | auto SecondBase = SecondBases[i]; |
| 10085 | if (ComputeQualTypeODRHash(FirstBase.getType()) != |
| 10086 | ComputeQualTypeODRHash(SecondBase.getType())) { |
| 10087 | ODRDiagBaseError(FirstRecord->getLocation(), |
| 10088 | FirstBase.getSourceRange(), BaseType) |
| 10089 | << (i + 1) << FirstBase.getType(); |
| 10090 | ODRDiagBaseNote(SecondRecord->getLocation(), |
| 10091 | SecondBase.getSourceRange(), BaseType) |
| 10092 | << (i + 1) << SecondBase.getType(); |
| 10093 | break; |
| 10094 | } |
| 10095 | |
| 10096 | if (FirstBase.isVirtual() != SecondBase.isVirtual()) { |
| 10097 | ODRDiagBaseError(FirstRecord->getLocation(), |
| 10098 | FirstBase.getSourceRange(), BaseVirtual) |
| 10099 | << (i + 1) << FirstBase.isVirtual() << FirstBase.getType(); |
| 10100 | ODRDiagBaseNote(SecondRecord->getLocation(), |
| 10101 | SecondBase.getSourceRange(), BaseVirtual) |
| 10102 | << (i + 1) << SecondBase.isVirtual() << SecondBase.getType(); |
| 10103 | break; |
| 10104 | } |
| 10105 | |
| 10106 | if (FirstBase.getAccessSpecifierAsWritten() != |
| 10107 | SecondBase.getAccessSpecifierAsWritten()) { |
| 10108 | ODRDiagBaseError(FirstRecord->getLocation(), |
| 10109 | FirstBase.getSourceRange(), BaseAccess) |
| 10110 | << (i + 1) << FirstBase.getType() |
| 10111 | << (int)FirstBase.getAccessSpecifierAsWritten(); |
| 10112 | ODRDiagBaseNote(SecondRecord->getLocation(), |
| 10113 | SecondBase.getSourceRange(), BaseAccess) |
| 10114 | << (i + 1) << SecondBase.getType() |
| 10115 | << (int)SecondBase.getAccessSpecifierAsWritten(); |
| 10116 | break; |
| 10117 | } |
| 10118 | } |
| 10119 | |
| 10120 | if (i != FirstNumBases) { |
| 10121 | Diagnosed = true; |
| 10122 | break; |
| 10123 | } |
| 10124 | } |
| 10125 | |
| 10126 | const ClassTemplateDecl *FirstTemplate = |
| 10127 | FirstRecord->getDescribedClassTemplate(); |
| 10128 | const ClassTemplateDecl *SecondTemplate = |
| 10129 | SecondRecord->getDescribedClassTemplate(); |
| 10130 | |
| 10131 | assert(!FirstTemplate == !SecondTemplate && |
| 10132 | "Both pointers should be null or non-null" ); |
| 10133 | |
| 10134 | enum ODRTemplateDifference { |
| 10135 | ParamEmptyName, |
| 10136 | ParamName, |
| 10137 | ParamSingleDefaultArgument, |
| 10138 | ParamDifferentDefaultArgument, |
| 10139 | }; |
| 10140 | |
| 10141 | if (FirstTemplate && SecondTemplate) { |
| 10142 | DeclHashes FirstTemplateHashes; |
| 10143 | DeclHashes SecondTemplateHashes; |
| 10144 | |
| 10145 | auto PopulateTemplateParameterHashs = |
| 10146 | [&ComputeSubDeclODRHash](DeclHashes &Hashes, |
| 10147 | const ClassTemplateDecl *TD) { |
| 10148 | for (auto *D : TD->getTemplateParameters()->asArray()) { |
| 10149 | Hashes.emplace_back(D, ComputeSubDeclODRHash(D)); |
| 10150 | } |
| 10151 | }; |
| 10152 | |
| 10153 | PopulateTemplateParameterHashs(FirstTemplateHashes, FirstTemplate); |
| 10154 | PopulateTemplateParameterHashs(SecondTemplateHashes, SecondTemplate); |
| 10155 | |
| 10156 | assert(FirstTemplateHashes.size() == SecondTemplateHashes.size() && |
| 10157 | "Number of template parameters should be equal." ); |
| 10158 | |
| 10159 | auto FirstIt = FirstTemplateHashes.begin(); |
| 10160 | auto FirstEnd = FirstTemplateHashes.end(); |
| 10161 | auto SecondIt = SecondTemplateHashes.begin(); |
| 10162 | for (; FirstIt != FirstEnd; ++FirstIt, ++SecondIt) { |
| 10163 | if (FirstIt->second == SecondIt->second) |
| 10164 | continue; |
| 10165 | |
| 10166 | auto ODRDiagTemplateError = [FirstRecord, &FirstModule, this]( |
| 10167 | SourceLocation Loc, SourceRange Range, |
| 10168 | ODRTemplateDifference DiffType) { |
| 10169 | return Diag(Loc, diag::err_module_odr_violation_template_parameter) |
| 10170 | << FirstRecord << FirstModule.empty() << FirstModule << Range |
| 10171 | << DiffType; |
| 10172 | }; |
| 10173 | auto ODRDiagTemplateNote = [&SecondModule, this]( |
| 10174 | SourceLocation Loc, SourceRange Range, |
| 10175 | ODRTemplateDifference DiffType) { |
| 10176 | return Diag(Loc, diag::note_module_odr_violation_template_parameter) |
| 10177 | << SecondModule << Range << DiffType; |
| 10178 | }; |
| 10179 | |
| 10180 | const NamedDecl* FirstDecl = cast<NamedDecl>(FirstIt->first); |
| 10181 | const NamedDecl* SecondDecl = cast<NamedDecl>(SecondIt->first); |
| 10182 | |
| 10183 | assert(FirstDecl->getKind() == SecondDecl->getKind() && |
| 10184 | "Parameter Decl's should be the same kind." ); |
| 10185 | |
| 10186 | DeclarationName FirstName = FirstDecl->getDeclName(); |
| 10187 | DeclarationName SecondName = SecondDecl->getDeclName(); |
| 10188 | |
| 10189 | if (FirstName != SecondName) { |
| 10190 | const bool FirstNameEmpty = |
| 10191 | FirstName.isIdentifier() && !FirstName.getAsIdentifierInfo(); |
| 10192 | const bool SecondNameEmpty = |
| 10193 | SecondName.isIdentifier() && !SecondName.getAsIdentifierInfo(); |
| 10194 | assert((!FirstNameEmpty || !SecondNameEmpty) && |
| 10195 | "Both template parameters cannot be unnamed." ); |
| 10196 | ODRDiagTemplateError(FirstDecl->getLocation(), |
| 10197 | FirstDecl->getSourceRange(), |
| 10198 | FirstNameEmpty ? ParamEmptyName : ParamName) |
| 10199 | << FirstName; |
| 10200 | ODRDiagTemplateNote(SecondDecl->getLocation(), |
| 10201 | SecondDecl->getSourceRange(), |
| 10202 | SecondNameEmpty ? ParamEmptyName : ParamName) |
| 10203 | << SecondName; |
| 10204 | break; |
| 10205 | } |
| 10206 | |
| 10207 | switch (FirstDecl->getKind()) { |
| 10208 | default: |
| 10209 | llvm_unreachable("Invalid template parameter type." ); |
| 10210 | case Decl::TemplateTypeParm: { |
| 10211 | const auto *FirstParam = cast<TemplateTypeParmDecl>(FirstDecl); |
| 10212 | const auto *SecondParam = cast<TemplateTypeParmDecl>(SecondDecl); |
| 10213 | const bool HasFirstDefaultArgument = |
| 10214 | FirstParam->hasDefaultArgument() && |
| 10215 | !FirstParam->defaultArgumentWasInherited(); |
| 10216 | const bool HasSecondDefaultArgument = |
| 10217 | SecondParam->hasDefaultArgument() && |
| 10218 | !SecondParam->defaultArgumentWasInherited(); |
| 10219 | |
| 10220 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { |
| 10221 | ODRDiagTemplateError(FirstDecl->getLocation(), |
| 10222 | FirstDecl->getSourceRange(), |
| 10223 | ParamSingleDefaultArgument) |
| 10224 | << HasFirstDefaultArgument; |
| 10225 | ODRDiagTemplateNote(SecondDecl->getLocation(), |
| 10226 | SecondDecl->getSourceRange(), |
| 10227 | ParamSingleDefaultArgument) |
| 10228 | << HasSecondDefaultArgument; |
| 10229 | break; |
| 10230 | } |
| 10231 | |
| 10232 | assert(HasFirstDefaultArgument && HasSecondDefaultArgument && |
| 10233 | "Expecting default arguments." ); |
| 10234 | |
| 10235 | ODRDiagTemplateError(FirstDecl->getLocation(), |
| 10236 | FirstDecl->getSourceRange(), |
| 10237 | ParamDifferentDefaultArgument); |
| 10238 | ODRDiagTemplateNote(SecondDecl->getLocation(), |
| 10239 | SecondDecl->getSourceRange(), |
| 10240 | ParamDifferentDefaultArgument); |
| 10241 | |
| 10242 | break; |
| 10243 | } |
| 10244 | case Decl::NonTypeTemplateParm: { |
| 10245 | const auto *FirstParam = cast<NonTypeTemplateParmDecl>(FirstDecl); |
| 10246 | const auto *SecondParam = cast<NonTypeTemplateParmDecl>(SecondDecl); |
| 10247 | const bool HasFirstDefaultArgument = |
| 10248 | FirstParam->hasDefaultArgument() && |
| 10249 | !FirstParam->defaultArgumentWasInherited(); |
| 10250 | const bool HasSecondDefaultArgument = |
| 10251 | SecondParam->hasDefaultArgument() && |
| 10252 | !SecondParam->defaultArgumentWasInherited(); |
| 10253 | |
| 10254 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { |
| 10255 | ODRDiagTemplateError(FirstDecl->getLocation(), |
| 10256 | FirstDecl->getSourceRange(), |
| 10257 | ParamSingleDefaultArgument) |
| 10258 | << HasFirstDefaultArgument; |
| 10259 | ODRDiagTemplateNote(SecondDecl->getLocation(), |
| 10260 | SecondDecl->getSourceRange(), |
| 10261 | ParamSingleDefaultArgument) |
| 10262 | << HasSecondDefaultArgument; |
| 10263 | break; |
| 10264 | } |
| 10265 | |
| 10266 | assert(HasFirstDefaultArgument && HasSecondDefaultArgument && |
| 10267 | "Expecting default arguments." ); |
| 10268 | |
| 10269 | ODRDiagTemplateError(FirstDecl->getLocation(), |
| 10270 | FirstDecl->getSourceRange(), |
| 10271 | ParamDifferentDefaultArgument); |
| 10272 | ODRDiagTemplateNote(SecondDecl->getLocation(), |
| 10273 | SecondDecl->getSourceRange(), |
| 10274 | ParamDifferentDefaultArgument); |
| 10275 | |
| 10276 | break; |
| 10277 | } |
| 10278 | case Decl::TemplateTemplateParm: { |
| 10279 | const auto *FirstParam = cast<TemplateTemplateParmDecl>(FirstDecl); |
| 10280 | const auto *SecondParam = |
| 10281 | cast<TemplateTemplateParmDecl>(SecondDecl); |
| 10282 | const bool HasFirstDefaultArgument = |
| 10283 | FirstParam->hasDefaultArgument() && |
| 10284 | !FirstParam->defaultArgumentWasInherited(); |
| 10285 | const bool HasSecondDefaultArgument = |
| 10286 | SecondParam->hasDefaultArgument() && |
| 10287 | !SecondParam->defaultArgumentWasInherited(); |
| 10288 | |
| 10289 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { |
| 10290 | ODRDiagTemplateError(FirstDecl->getLocation(), |
| 10291 | FirstDecl->getSourceRange(), |
| 10292 | ParamSingleDefaultArgument) |
| 10293 | << HasFirstDefaultArgument; |
| 10294 | ODRDiagTemplateNote(SecondDecl->getLocation(), |
| 10295 | SecondDecl->getSourceRange(), |
| 10296 | ParamSingleDefaultArgument) |
| 10297 | << HasSecondDefaultArgument; |
| 10298 | break; |
| 10299 | } |
| 10300 | |
| 10301 | assert(HasFirstDefaultArgument && HasSecondDefaultArgument && |
| 10302 | "Expecting default arguments." ); |
| 10303 | |
| 10304 | ODRDiagTemplateError(FirstDecl->getLocation(), |
| 10305 | FirstDecl->getSourceRange(), |
| 10306 | ParamDifferentDefaultArgument); |
| 10307 | ODRDiagTemplateNote(SecondDecl->getLocation(), |
| 10308 | SecondDecl->getSourceRange(), |
| 10309 | ParamDifferentDefaultArgument); |
| 10310 | |
| 10311 | break; |
| 10312 | } |
| 10313 | } |
| 10314 | |
| 10315 | break; |
| 10316 | } |
| 10317 | |
| 10318 | if (FirstIt != FirstEnd) { |
| 10319 | Diagnosed = true; |
| 10320 | break; |
| 10321 | } |
| 10322 | } |
| 10323 | |
| 10324 | DeclHashes FirstHashes; |
| 10325 | DeclHashes SecondHashes; |
| 10326 | const DeclContext *DC = FirstRecord; |
| 10327 | PopulateHashes(FirstHashes, FirstRecord, DC); |
| 10328 | PopulateHashes(SecondHashes, SecondRecord, DC); |
| 10329 | |
| 10330 | auto DR = FindTypeDiffs(FirstHashes, SecondHashes); |
| 10331 | ODRMismatchDecl FirstDiffType = DR.FirstDiffType; |
| 10332 | ODRMismatchDecl SecondDiffType = DR.SecondDiffType; |
| 10333 | Decl *FirstDecl = DR.FirstDecl; |
| 10334 | Decl *SecondDecl = DR.SecondDecl; |
| 10335 | |
| 10336 | if (FirstDiffType == Other || SecondDiffType == Other) { |
| 10337 | DiagnoseODRUnexpected(DR, FirstRecord, FirstModule, SecondRecord, |
| 10338 | SecondModule); |
| 10339 | Diagnosed = true; |
| 10340 | break; |
| 10341 | } |
| 10342 | |
| 10343 | if (FirstDiffType != SecondDiffType) { |
| 10344 | DiagnoseODRMismatch(DR, FirstRecord, FirstModule, SecondRecord, |
| 10345 | SecondModule); |
| 10346 | Diagnosed = true; |
| 10347 | break; |
| 10348 | } |
| 10349 | |
| 10350 | assert(FirstDiffType == SecondDiffType); |
| 10351 | |
| 10352 | switch (FirstDiffType) { |
| 10353 | case Other: |
| 10354 | case EndOfClass: |
| 10355 | case PublicSpecifer: |
| 10356 | case PrivateSpecifer: |
| 10357 | case ProtectedSpecifer: |
| 10358 | llvm_unreachable("Invalid diff type" ); |
| 10359 | |
| 10360 | case StaticAssert: { |
| 10361 | StaticAssertDecl *FirstSA = cast<StaticAssertDecl>(FirstDecl); |
| 10362 | StaticAssertDecl *SecondSA = cast<StaticAssertDecl>(SecondDecl); |
| 10363 | |
| 10364 | Expr *FirstExpr = FirstSA->getAssertExpr(); |
| 10365 | Expr *SecondExpr = SecondSA->getAssertExpr(); |
| 10366 | unsigned FirstODRHash = ComputeODRHash(FirstExpr); |
| 10367 | unsigned SecondODRHash = ComputeODRHash(SecondExpr); |
| 10368 | if (FirstODRHash != SecondODRHash) { |
| 10369 | ODRDiagDeclError(FirstRecord, FirstModule, FirstExpr->getBeginLoc(), |
| 10370 | FirstExpr->getSourceRange(), StaticAssertCondition); |
| 10371 | ODRDiagDeclNote(SecondModule, SecondExpr->getBeginLoc(), |
| 10372 | SecondExpr->getSourceRange(), StaticAssertCondition); |
| 10373 | Diagnosed = true; |
| 10374 | break; |
| 10375 | } |
| 10376 | |
| 10377 | StringLiteral *FirstStr = FirstSA->getMessage(); |
| 10378 | StringLiteral *SecondStr = SecondSA->getMessage(); |
| 10379 | assert((FirstStr || SecondStr) && "Both messages cannot be empty" ); |
| 10380 | if ((FirstStr && !SecondStr) || (!FirstStr && SecondStr)) { |
| 10381 | SourceLocation FirstLoc, SecondLoc; |
| 10382 | SourceRange FirstRange, SecondRange; |
| 10383 | if (FirstStr) { |
| 10384 | FirstLoc = FirstStr->getBeginLoc(); |
| 10385 | FirstRange = FirstStr->getSourceRange(); |
| 10386 | } else { |
| 10387 | FirstLoc = FirstSA->getBeginLoc(); |
| 10388 | FirstRange = FirstSA->getSourceRange(); |
| 10389 | } |
| 10390 | if (SecondStr) { |
| 10391 | SecondLoc = SecondStr->getBeginLoc(); |
| 10392 | SecondRange = SecondStr->getSourceRange(); |
| 10393 | } else { |
| 10394 | SecondLoc = SecondSA->getBeginLoc(); |
| 10395 | SecondRange = SecondSA->getSourceRange(); |
| 10396 | } |
| 10397 | ODRDiagDeclError(FirstRecord, FirstModule, FirstLoc, FirstRange, |
| 10398 | StaticAssertOnlyMessage) |
| 10399 | << (FirstStr == nullptr); |
| 10400 | ODRDiagDeclNote(SecondModule, SecondLoc, SecondRange, |
| 10401 | StaticAssertOnlyMessage) |
| 10402 | << (SecondStr == nullptr); |
| 10403 | Diagnosed = true; |
| 10404 | break; |
| 10405 | } |
| 10406 | |
| 10407 | if (FirstStr && SecondStr && |
| 10408 | FirstStr->getString() != SecondStr->getString()) { |
| 10409 | ODRDiagDeclError(FirstRecord, FirstModule, FirstStr->getBeginLoc(), |
| 10410 | FirstStr->getSourceRange(), StaticAssertMessage); |
| 10411 | ODRDiagDeclNote(SecondModule, SecondStr->getBeginLoc(), |
| 10412 | SecondStr->getSourceRange(), StaticAssertMessage); |
| 10413 | Diagnosed = true; |
| 10414 | break; |
| 10415 | } |
| 10416 | break; |
| 10417 | } |
| 10418 | case Field: { |
| 10419 | Diagnosed = ODRDiagField(FirstRecord, FirstModule, SecondModule, |
| 10420 | cast<FieldDecl>(FirstDecl), |
| 10421 | cast<FieldDecl>(SecondDecl)); |
| 10422 | break; |
| 10423 | } |
| 10424 | case CXXMethod: { |
| 10425 | enum { |
| 10426 | DiagMethod, |
| 10427 | DiagConstructor, |
| 10428 | DiagDestructor, |
| 10429 | } FirstMethodType, |
| 10430 | SecondMethodType; |
| 10431 | auto GetMethodTypeForDiagnostics = [](const CXXMethodDecl* D) { |
| 10432 | if (isa<CXXConstructorDecl>(D)) return DiagConstructor; |
| 10433 | if (isa<CXXDestructorDecl>(D)) return DiagDestructor; |
| 10434 | return DiagMethod; |
| 10435 | }; |
| 10436 | const CXXMethodDecl *FirstMethod = cast<CXXMethodDecl>(FirstDecl); |
| 10437 | const CXXMethodDecl *SecondMethod = cast<CXXMethodDecl>(SecondDecl); |
| 10438 | FirstMethodType = GetMethodTypeForDiagnostics(FirstMethod); |
| 10439 | SecondMethodType = GetMethodTypeForDiagnostics(SecondMethod); |
| 10440 | auto FirstName = FirstMethod->getDeclName(); |
| 10441 | auto SecondName = SecondMethod->getDeclName(); |
| 10442 | if (FirstMethodType != SecondMethodType || FirstName != SecondName) { |
| 10443 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10444 | FirstMethod->getSourceRange(), MethodName) |
| 10445 | << FirstMethodType << FirstName; |
| 10446 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10447 | SecondMethod->getSourceRange(), MethodName) |
| 10448 | << SecondMethodType << SecondName; |
| 10449 | |
| 10450 | Diagnosed = true; |
| 10451 | break; |
| 10452 | } |
| 10453 | |
| 10454 | const bool FirstDeleted = FirstMethod->isDeletedAsWritten(); |
| 10455 | const bool SecondDeleted = SecondMethod->isDeletedAsWritten(); |
| 10456 | if (FirstDeleted != SecondDeleted) { |
| 10457 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10458 | FirstMethod->getSourceRange(), MethodDeleted) |
| 10459 | << FirstMethodType << FirstName << FirstDeleted; |
| 10460 | |
| 10461 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10462 | SecondMethod->getSourceRange(), MethodDeleted) |
| 10463 | << SecondMethodType << SecondName << SecondDeleted; |
| 10464 | Diagnosed = true; |
| 10465 | break; |
| 10466 | } |
| 10467 | |
| 10468 | const bool FirstDefaulted = FirstMethod->isExplicitlyDefaulted(); |
| 10469 | const bool SecondDefaulted = SecondMethod->isExplicitlyDefaulted(); |
| 10470 | if (FirstDefaulted != SecondDefaulted) { |
| 10471 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10472 | FirstMethod->getSourceRange(), MethodDefaulted) |
| 10473 | << FirstMethodType << FirstName << FirstDefaulted; |
| 10474 | |
| 10475 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10476 | SecondMethod->getSourceRange(), MethodDefaulted) |
| 10477 | << SecondMethodType << SecondName << SecondDefaulted; |
| 10478 | Diagnosed = true; |
| 10479 | break; |
| 10480 | } |
| 10481 | |
| 10482 | const bool FirstVirtual = FirstMethod->isVirtualAsWritten(); |
| 10483 | const bool SecondVirtual = SecondMethod->isVirtualAsWritten(); |
| 10484 | const bool FirstPure = FirstMethod->isPure(); |
| 10485 | const bool SecondPure = SecondMethod->isPure(); |
| 10486 | if ((FirstVirtual || SecondVirtual) && |
| 10487 | (FirstVirtual != SecondVirtual || FirstPure != SecondPure)) { |
| 10488 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10489 | FirstMethod->getSourceRange(), MethodVirtual) |
| 10490 | << FirstMethodType << FirstName << FirstPure << FirstVirtual; |
| 10491 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10492 | SecondMethod->getSourceRange(), MethodVirtual) |
| 10493 | << SecondMethodType << SecondName << SecondPure << SecondVirtual; |
| 10494 | Diagnosed = true; |
| 10495 | break; |
| 10496 | } |
| 10497 | |
| 10498 | // CXXMethodDecl::isStatic uses the canonical Decl. With Decl merging, |
| 10499 | // FirstDecl is the canonical Decl of SecondDecl, so the storage |
| 10500 | // class needs to be checked instead. |
| 10501 | const auto FirstStorage = FirstMethod->getStorageClass(); |
| 10502 | const auto SecondStorage = SecondMethod->getStorageClass(); |
| 10503 | const bool FirstStatic = FirstStorage == SC_Static; |
| 10504 | const bool SecondStatic = SecondStorage == SC_Static; |
| 10505 | if (FirstStatic != SecondStatic) { |
| 10506 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10507 | FirstMethod->getSourceRange(), MethodStatic) |
| 10508 | << FirstMethodType << FirstName << FirstStatic; |
| 10509 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10510 | SecondMethod->getSourceRange(), MethodStatic) |
| 10511 | << SecondMethodType << SecondName << SecondStatic; |
| 10512 | Diagnosed = true; |
| 10513 | break; |
| 10514 | } |
| 10515 | |
| 10516 | const bool FirstVolatile = FirstMethod->isVolatile(); |
| 10517 | const bool SecondVolatile = SecondMethod->isVolatile(); |
| 10518 | if (FirstVolatile != SecondVolatile) { |
| 10519 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10520 | FirstMethod->getSourceRange(), MethodVolatile) |
| 10521 | << FirstMethodType << FirstName << FirstVolatile; |
| 10522 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10523 | SecondMethod->getSourceRange(), MethodVolatile) |
| 10524 | << SecondMethodType << SecondName << SecondVolatile; |
| 10525 | Diagnosed = true; |
| 10526 | break; |
| 10527 | } |
| 10528 | |
| 10529 | const bool FirstConst = FirstMethod->isConst(); |
| 10530 | const bool SecondConst = SecondMethod->isConst(); |
| 10531 | if (FirstConst != SecondConst) { |
| 10532 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10533 | FirstMethod->getSourceRange(), MethodConst) |
| 10534 | << FirstMethodType << FirstName << FirstConst; |
| 10535 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10536 | SecondMethod->getSourceRange(), MethodConst) |
| 10537 | << SecondMethodType << SecondName << SecondConst; |
| 10538 | Diagnosed = true; |
| 10539 | break; |
| 10540 | } |
| 10541 | |
| 10542 | const bool FirstInline = FirstMethod->isInlineSpecified(); |
| 10543 | const bool SecondInline = SecondMethod->isInlineSpecified(); |
| 10544 | if (FirstInline != SecondInline) { |
| 10545 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10546 | FirstMethod->getSourceRange(), MethodInline) |
| 10547 | << FirstMethodType << FirstName << FirstInline; |
| 10548 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10549 | SecondMethod->getSourceRange(), MethodInline) |
| 10550 | << SecondMethodType << SecondName << SecondInline; |
| 10551 | Diagnosed = true; |
| 10552 | break; |
| 10553 | } |
| 10554 | |
| 10555 | const unsigned FirstNumParameters = FirstMethod->param_size(); |
| 10556 | const unsigned SecondNumParameters = SecondMethod->param_size(); |
| 10557 | if (FirstNumParameters != SecondNumParameters) { |
| 10558 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10559 | FirstMethod->getSourceRange(), |
| 10560 | MethodNumberParameters) |
| 10561 | << FirstMethodType << FirstName << FirstNumParameters; |
| 10562 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10563 | SecondMethod->getSourceRange(), |
| 10564 | MethodNumberParameters) |
| 10565 | << SecondMethodType << SecondName << SecondNumParameters; |
| 10566 | Diagnosed = true; |
| 10567 | break; |
| 10568 | } |
| 10569 | |
| 10570 | // Need this status boolean to know when break out of the switch. |
| 10571 | bool ParameterMismatch = false; |
| 10572 | for (unsigned I = 0; I < FirstNumParameters; ++I) { |
| 10573 | const ParmVarDecl *FirstParam = FirstMethod->getParamDecl(I); |
| 10574 | const ParmVarDecl *SecondParam = SecondMethod->getParamDecl(I); |
| 10575 | |
| 10576 | QualType FirstParamType = FirstParam->getType(); |
| 10577 | QualType SecondParamType = SecondParam->getType(); |
| 10578 | if (FirstParamType != SecondParamType && |
| 10579 | ComputeQualTypeODRHash(FirstParamType) != |
| 10580 | ComputeQualTypeODRHash(SecondParamType)) { |
| 10581 | if (const DecayedType *ParamDecayedType = |
| 10582 | FirstParamType->getAs<DecayedType>()) { |
| 10583 | ODRDiagDeclError( |
| 10584 | FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10585 | FirstMethod->getSourceRange(), MethodParameterType) |
| 10586 | << FirstMethodType << FirstName << (I + 1) << FirstParamType |
| 10587 | << true << ParamDecayedType->getOriginalType(); |
| 10588 | } else { |
| 10589 | ODRDiagDeclError( |
| 10590 | FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10591 | FirstMethod->getSourceRange(), MethodParameterType) |
| 10592 | << FirstMethodType << FirstName << (I + 1) << FirstParamType |
| 10593 | << false; |
| 10594 | } |
| 10595 | |
| 10596 | if (const DecayedType *ParamDecayedType = |
| 10597 | SecondParamType->getAs<DecayedType>()) { |
| 10598 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10599 | SecondMethod->getSourceRange(), |
| 10600 | MethodParameterType) |
| 10601 | << SecondMethodType << SecondName << (I + 1) |
| 10602 | << SecondParamType << true |
| 10603 | << ParamDecayedType->getOriginalType(); |
| 10604 | } else { |
| 10605 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10606 | SecondMethod->getSourceRange(), |
| 10607 | MethodParameterType) |
| 10608 | << SecondMethodType << SecondName << (I + 1) |
| 10609 | << SecondParamType << false; |
| 10610 | } |
| 10611 | ParameterMismatch = true; |
| 10612 | break; |
| 10613 | } |
| 10614 | |
| 10615 | DeclarationName FirstParamName = FirstParam->getDeclName(); |
| 10616 | DeclarationName SecondParamName = SecondParam->getDeclName(); |
| 10617 | if (FirstParamName != SecondParamName) { |
| 10618 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10619 | FirstMethod->getLocation(), |
| 10620 | FirstMethod->getSourceRange(), MethodParameterName) |
| 10621 | << FirstMethodType << FirstName << (I + 1) << FirstParamName; |
| 10622 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10623 | SecondMethod->getSourceRange(), MethodParameterName) |
| 10624 | << SecondMethodType << SecondName << (I + 1) << SecondParamName; |
| 10625 | ParameterMismatch = true; |
| 10626 | break; |
| 10627 | } |
| 10628 | |
| 10629 | const Expr *FirstInit = FirstParam->getInit(); |
| 10630 | const Expr *SecondInit = SecondParam->getInit(); |
| 10631 | if ((FirstInit == nullptr) != (SecondInit == nullptr)) { |
| 10632 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10633 | FirstMethod->getLocation(), |
| 10634 | FirstMethod->getSourceRange(), |
| 10635 | MethodParameterSingleDefaultArgument) |
| 10636 | << FirstMethodType << FirstName << (I + 1) |
| 10637 | << (FirstInit == nullptr) |
| 10638 | << (FirstInit ? FirstInit->getSourceRange() : SourceRange()); |
| 10639 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10640 | SecondMethod->getSourceRange(), |
| 10641 | MethodParameterSingleDefaultArgument) |
| 10642 | << SecondMethodType << SecondName << (I + 1) |
| 10643 | << (SecondInit == nullptr) |
| 10644 | << (SecondInit ? SecondInit->getSourceRange() : SourceRange()); |
| 10645 | ParameterMismatch = true; |
| 10646 | break; |
| 10647 | } |
| 10648 | |
| 10649 | if (FirstInit && SecondInit && |
| 10650 | ComputeODRHash(FirstInit) != ComputeODRHash(SecondInit)) { |
| 10651 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10652 | FirstMethod->getLocation(), |
| 10653 | FirstMethod->getSourceRange(), |
| 10654 | MethodParameterDifferentDefaultArgument) |
| 10655 | << FirstMethodType << FirstName << (I + 1) |
| 10656 | << FirstInit->getSourceRange(); |
| 10657 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10658 | SecondMethod->getSourceRange(), |
| 10659 | MethodParameterDifferentDefaultArgument) |
| 10660 | << SecondMethodType << SecondName << (I + 1) |
| 10661 | << SecondInit->getSourceRange(); |
| 10662 | ParameterMismatch = true; |
| 10663 | break; |
| 10664 | |
| 10665 | } |
| 10666 | } |
| 10667 | |
| 10668 | if (ParameterMismatch) { |
| 10669 | Diagnosed = true; |
| 10670 | break; |
| 10671 | } |
| 10672 | |
| 10673 | const auto *FirstTemplateArgs = |
| 10674 | FirstMethod->getTemplateSpecializationArgs(); |
| 10675 | const auto *SecondTemplateArgs = |
| 10676 | SecondMethod->getTemplateSpecializationArgs(); |
| 10677 | |
| 10678 | if ((FirstTemplateArgs && !SecondTemplateArgs) || |
| 10679 | (!FirstTemplateArgs && SecondTemplateArgs)) { |
| 10680 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10681 | FirstMethod->getSourceRange(), |
| 10682 | MethodNoTemplateArguments) |
| 10683 | << FirstMethodType << FirstName << (FirstTemplateArgs != nullptr); |
| 10684 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10685 | SecondMethod->getSourceRange(), |
| 10686 | MethodNoTemplateArguments) |
| 10687 | << SecondMethodType << SecondName |
| 10688 | << (SecondTemplateArgs != nullptr); |
| 10689 | |
| 10690 | Diagnosed = true; |
| 10691 | break; |
| 10692 | } |
| 10693 | |
| 10694 | if (FirstTemplateArgs && SecondTemplateArgs) { |
| 10695 | // Remove pack expansions from argument list. |
| 10696 | auto ExpandTemplateArgumentList = |
| 10697 | [](const TemplateArgumentList *TAL) { |
| 10698 | llvm::SmallVector<const TemplateArgument *, 8> ExpandedList; |
| 10699 | for (const TemplateArgument &TA : TAL->asArray()) { |
| 10700 | if (TA.getKind() != TemplateArgument::Pack) { |
| 10701 | ExpandedList.push_back(&TA); |
| 10702 | continue; |
| 10703 | } |
| 10704 | for (const TemplateArgument &PackTA : TA.getPackAsArray()) { |
| 10705 | ExpandedList.push_back(&PackTA); |
| 10706 | } |
| 10707 | } |
| 10708 | return ExpandedList; |
| 10709 | }; |
| 10710 | llvm::SmallVector<const TemplateArgument *, 8> FirstExpandedList = |
| 10711 | ExpandTemplateArgumentList(FirstTemplateArgs); |
| 10712 | llvm::SmallVector<const TemplateArgument *, 8> SecondExpandedList = |
| 10713 | ExpandTemplateArgumentList(SecondTemplateArgs); |
| 10714 | |
| 10715 | if (FirstExpandedList.size() != SecondExpandedList.size()) { |
| 10716 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10717 | FirstMethod->getLocation(), |
| 10718 | FirstMethod->getSourceRange(), |
| 10719 | MethodDifferentNumberTemplateArguments) |
| 10720 | << FirstMethodType << FirstName |
| 10721 | << (unsigned)FirstExpandedList.size(); |
| 10722 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10723 | SecondMethod->getSourceRange(), |
| 10724 | MethodDifferentNumberTemplateArguments) |
| 10725 | << SecondMethodType << SecondName |
| 10726 | << (unsigned)SecondExpandedList.size(); |
| 10727 | |
| 10728 | Diagnosed = true; |
| 10729 | break; |
| 10730 | } |
| 10731 | |
| 10732 | bool TemplateArgumentMismatch = false; |
| 10733 | for (unsigned i = 0, e = FirstExpandedList.size(); i != e; ++i) { |
| 10734 | const TemplateArgument &FirstTA = *FirstExpandedList[i], |
| 10735 | &SecondTA = *SecondExpandedList[i]; |
| 10736 | if (ComputeTemplateArgumentODRHash(FirstTA) == |
| 10737 | ComputeTemplateArgumentODRHash(SecondTA)) { |
| 10738 | continue; |
| 10739 | } |
| 10740 | |
| 10741 | ODRDiagDeclError( |
| 10742 | FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10743 | FirstMethod->getSourceRange(), MethodDifferentTemplateArgument) |
| 10744 | << FirstMethodType << FirstName << FirstTA << i + 1; |
| 10745 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10746 | SecondMethod->getSourceRange(), |
| 10747 | MethodDifferentTemplateArgument) |
| 10748 | << SecondMethodType << SecondName << SecondTA << i + 1; |
| 10749 | |
| 10750 | TemplateArgumentMismatch = true; |
| 10751 | break; |
| 10752 | } |
| 10753 | |
| 10754 | if (TemplateArgumentMismatch) { |
| 10755 | Diagnosed = true; |
| 10756 | break; |
| 10757 | } |
| 10758 | } |
| 10759 | |
| 10760 | // Compute the hash of the method as if it has no body. |
| 10761 | auto ComputeCXXMethodODRHash = [&Hash](const CXXMethodDecl *D) { |
| 10762 | Hash.clear(); |
| 10763 | Hash.AddFunctionDecl(D, true /*SkipBody*/); |
| 10764 | return Hash.CalculateHash(); |
| 10765 | }; |
| 10766 | |
| 10767 | // Compare the hash generated to the hash stored. A difference means |
| 10768 | // that a body was present in the original source. Due to merging, |
| 10769 | // the stardard way of detecting a body will not work. |
| 10770 | const bool HasFirstBody = |
| 10771 | ComputeCXXMethodODRHash(FirstMethod) != FirstMethod->getODRHash(); |
| 10772 | const bool HasSecondBody = |
| 10773 | ComputeCXXMethodODRHash(SecondMethod) != SecondMethod->getODRHash(); |
| 10774 | |
| 10775 | if (HasFirstBody != HasSecondBody) { |
| 10776 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10777 | FirstMethod->getSourceRange(), MethodSingleBody) |
| 10778 | << FirstMethodType << FirstName << HasFirstBody; |
| 10779 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10780 | SecondMethod->getSourceRange(), MethodSingleBody) |
| 10781 | << SecondMethodType << SecondName << HasSecondBody; |
| 10782 | Diagnosed = true; |
| 10783 | break; |
| 10784 | } |
| 10785 | |
| 10786 | if (HasFirstBody && HasSecondBody) { |
| 10787 | ODRDiagDeclError(FirstRecord, FirstModule, FirstMethod->getLocation(), |
| 10788 | FirstMethod->getSourceRange(), MethodDifferentBody) |
| 10789 | << FirstMethodType << FirstName; |
| 10790 | ODRDiagDeclNote(SecondModule, SecondMethod->getLocation(), |
| 10791 | SecondMethod->getSourceRange(), MethodDifferentBody) |
| 10792 | << SecondMethodType << SecondName; |
| 10793 | Diagnosed = true; |
| 10794 | break; |
| 10795 | } |
| 10796 | |
| 10797 | break; |
| 10798 | } |
| 10799 | case TypeAlias: |
| 10800 | case TypeDef: { |
| 10801 | Diagnosed = ODRDiagTypeDefOrAlias( |
| 10802 | FirstRecord, FirstModule, SecondModule, |
| 10803 | cast<TypedefNameDecl>(FirstDecl), cast<TypedefNameDecl>(SecondDecl), |
| 10804 | FirstDiffType == TypeAlias); |
| 10805 | break; |
| 10806 | } |
| 10807 | case Var: { |
| 10808 | Diagnosed = |
| 10809 | ODRDiagVar(FirstRecord, FirstModule, SecondModule, |
| 10810 | cast<VarDecl>(FirstDecl), cast<VarDecl>(SecondDecl)); |
| 10811 | break; |
| 10812 | } |
| 10813 | case Friend: { |
| 10814 | FriendDecl *FirstFriend = cast<FriendDecl>(FirstDecl); |
| 10815 | FriendDecl *SecondFriend = cast<FriendDecl>(SecondDecl); |
| 10816 | |
| 10817 | NamedDecl *FirstND = FirstFriend->getFriendDecl(); |
| 10818 | NamedDecl *SecondND = SecondFriend->getFriendDecl(); |
| 10819 | |
| 10820 | TypeSourceInfo *FirstTSI = FirstFriend->getFriendType(); |
| 10821 | TypeSourceInfo *SecondTSI = SecondFriend->getFriendType(); |
| 10822 | |
| 10823 | if (FirstND && SecondND) { |
| 10824 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10825 | FirstFriend->getFriendLoc(), |
| 10826 | FirstFriend->getSourceRange(), FriendFunction) |
| 10827 | << FirstND; |
| 10828 | ODRDiagDeclNote(SecondModule, SecondFriend->getFriendLoc(), |
| 10829 | SecondFriend->getSourceRange(), FriendFunction) |
| 10830 | << SecondND; |
| 10831 | |
| 10832 | Diagnosed = true; |
| 10833 | break; |
| 10834 | } |
| 10835 | |
| 10836 | if (FirstTSI && SecondTSI) { |
| 10837 | QualType FirstFriendType = FirstTSI->getType(); |
| 10838 | QualType SecondFriendType = SecondTSI->getType(); |
| 10839 | assert(ComputeQualTypeODRHash(FirstFriendType) != |
| 10840 | ComputeQualTypeODRHash(SecondFriendType)); |
| 10841 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10842 | FirstFriend->getFriendLoc(), |
| 10843 | FirstFriend->getSourceRange(), FriendType) |
| 10844 | << FirstFriendType; |
| 10845 | ODRDiagDeclNote(SecondModule, SecondFriend->getFriendLoc(), |
| 10846 | SecondFriend->getSourceRange(), FriendType) |
| 10847 | << SecondFriendType; |
| 10848 | Diagnosed = true; |
| 10849 | break; |
| 10850 | } |
| 10851 | |
| 10852 | ODRDiagDeclError(FirstRecord, FirstModule, FirstFriend->getFriendLoc(), |
| 10853 | FirstFriend->getSourceRange(), FriendTypeFunction) |
| 10854 | << (FirstTSI == nullptr); |
| 10855 | ODRDiagDeclNote(SecondModule, SecondFriend->getFriendLoc(), |
| 10856 | SecondFriend->getSourceRange(), FriendTypeFunction) |
| 10857 | << (SecondTSI == nullptr); |
| 10858 | |
| 10859 | Diagnosed = true; |
| 10860 | break; |
| 10861 | } |
| 10862 | case FunctionTemplate: { |
| 10863 | FunctionTemplateDecl *FirstTemplate = |
| 10864 | cast<FunctionTemplateDecl>(FirstDecl); |
| 10865 | FunctionTemplateDecl *SecondTemplate = |
| 10866 | cast<FunctionTemplateDecl>(SecondDecl); |
| 10867 | |
| 10868 | TemplateParameterList *FirstTPL = |
| 10869 | FirstTemplate->getTemplateParameters(); |
| 10870 | TemplateParameterList *SecondTPL = |
| 10871 | SecondTemplate->getTemplateParameters(); |
| 10872 | |
| 10873 | if (FirstTPL->size() != SecondTPL->size()) { |
| 10874 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10875 | FirstTemplate->getLocation(), |
| 10876 | FirstTemplate->getSourceRange(), |
| 10877 | FunctionTemplateDifferentNumberParameters) |
| 10878 | << FirstTemplate << FirstTPL->size(); |
| 10879 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 10880 | SecondTemplate->getSourceRange(), |
| 10881 | FunctionTemplateDifferentNumberParameters) |
| 10882 | << SecondTemplate << SecondTPL->size(); |
| 10883 | |
| 10884 | Diagnosed = true; |
| 10885 | break; |
| 10886 | } |
| 10887 | |
| 10888 | bool ParameterMismatch = false; |
| 10889 | for (unsigned i = 0, e = FirstTPL->size(); i != e; ++i) { |
| 10890 | NamedDecl *FirstParam = FirstTPL->getParam(i); |
| 10891 | NamedDecl *SecondParam = SecondTPL->getParam(i); |
| 10892 | |
| 10893 | if (FirstParam->getKind() != SecondParam->getKind()) { |
| 10894 | enum { |
| 10895 | TemplateTypeParameter, |
| 10896 | NonTypeTemplateParameter, |
| 10897 | TemplateTemplateParameter, |
| 10898 | }; |
| 10899 | auto GetParamType = [](NamedDecl *D) { |
| 10900 | switch (D->getKind()) { |
| 10901 | default: |
| 10902 | llvm_unreachable("Unexpected template parameter type" ); |
| 10903 | case Decl::TemplateTypeParm: |
| 10904 | return TemplateTypeParameter; |
| 10905 | case Decl::NonTypeTemplateParm: |
| 10906 | return NonTypeTemplateParameter; |
| 10907 | case Decl::TemplateTemplateParm: |
| 10908 | return TemplateTemplateParameter; |
| 10909 | } |
| 10910 | }; |
| 10911 | |
| 10912 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10913 | FirstTemplate->getLocation(), |
| 10914 | FirstTemplate->getSourceRange(), |
| 10915 | FunctionTemplateParameterDifferentKind) |
| 10916 | << FirstTemplate << (i + 1) << GetParamType(FirstParam); |
| 10917 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 10918 | SecondTemplate->getSourceRange(), |
| 10919 | FunctionTemplateParameterDifferentKind) |
| 10920 | << SecondTemplate << (i + 1) << GetParamType(SecondParam); |
| 10921 | |
| 10922 | ParameterMismatch = true; |
| 10923 | break; |
| 10924 | } |
| 10925 | |
| 10926 | if (FirstParam->getName() != SecondParam->getName()) { |
| 10927 | ODRDiagDeclError( |
| 10928 | FirstRecord, FirstModule, FirstTemplate->getLocation(), |
| 10929 | FirstTemplate->getSourceRange(), FunctionTemplateParameterName) |
| 10930 | << FirstTemplate << (i + 1) << (bool)FirstParam->getIdentifier() |
| 10931 | << FirstParam; |
| 10932 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 10933 | SecondTemplate->getSourceRange(), |
| 10934 | FunctionTemplateParameterName) |
| 10935 | << SecondTemplate << (i + 1) |
| 10936 | << (bool)SecondParam->getIdentifier() << SecondParam; |
| 10937 | ParameterMismatch = true; |
| 10938 | break; |
| 10939 | } |
| 10940 | |
| 10941 | if (isa<TemplateTypeParmDecl>(FirstParam) && |
| 10942 | isa<TemplateTypeParmDecl>(SecondParam)) { |
| 10943 | TemplateTypeParmDecl *FirstTTPD = |
| 10944 | cast<TemplateTypeParmDecl>(FirstParam); |
| 10945 | TemplateTypeParmDecl *SecondTTPD = |
| 10946 | cast<TemplateTypeParmDecl>(SecondParam); |
| 10947 | bool HasFirstDefaultArgument = |
| 10948 | FirstTTPD->hasDefaultArgument() && |
| 10949 | !FirstTTPD->defaultArgumentWasInherited(); |
| 10950 | bool HasSecondDefaultArgument = |
| 10951 | SecondTTPD->hasDefaultArgument() && |
| 10952 | !SecondTTPD->defaultArgumentWasInherited(); |
| 10953 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { |
| 10954 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10955 | FirstTemplate->getLocation(), |
| 10956 | FirstTemplate->getSourceRange(), |
| 10957 | FunctionTemplateParameterSingleDefaultArgument) |
| 10958 | << FirstTemplate << (i + 1) << HasFirstDefaultArgument; |
| 10959 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 10960 | SecondTemplate->getSourceRange(), |
| 10961 | FunctionTemplateParameterSingleDefaultArgument) |
| 10962 | << SecondTemplate << (i + 1) << HasSecondDefaultArgument; |
| 10963 | ParameterMismatch = true; |
| 10964 | break; |
| 10965 | } |
| 10966 | |
| 10967 | if (HasFirstDefaultArgument && HasSecondDefaultArgument) { |
| 10968 | QualType FirstType = FirstTTPD->getDefaultArgument(); |
| 10969 | QualType SecondType = SecondTTPD->getDefaultArgument(); |
| 10970 | if (ComputeQualTypeODRHash(FirstType) != |
| 10971 | ComputeQualTypeODRHash(SecondType)) { |
| 10972 | ODRDiagDeclError( |
| 10973 | FirstRecord, FirstModule, FirstTemplate->getLocation(), |
| 10974 | FirstTemplate->getSourceRange(), |
| 10975 | FunctionTemplateParameterDifferentDefaultArgument) |
| 10976 | << FirstTemplate << (i + 1) << FirstType; |
| 10977 | ODRDiagDeclNote( |
| 10978 | SecondModule, SecondTemplate->getLocation(), |
| 10979 | SecondTemplate->getSourceRange(), |
| 10980 | FunctionTemplateParameterDifferentDefaultArgument) |
| 10981 | << SecondTemplate << (i + 1) << SecondType; |
| 10982 | ParameterMismatch = true; |
| 10983 | break; |
| 10984 | } |
| 10985 | } |
| 10986 | |
| 10987 | if (FirstTTPD->isParameterPack() != |
| 10988 | SecondTTPD->isParameterPack()) { |
| 10989 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 10990 | FirstTemplate->getLocation(), |
| 10991 | FirstTemplate->getSourceRange(), |
| 10992 | FunctionTemplatePackParameter) |
| 10993 | << FirstTemplate << (i + 1) << FirstTTPD->isParameterPack(); |
| 10994 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 10995 | SecondTemplate->getSourceRange(), |
| 10996 | FunctionTemplatePackParameter) |
| 10997 | << SecondTemplate << (i + 1) << SecondTTPD->isParameterPack(); |
| 10998 | ParameterMismatch = true; |
| 10999 | break; |
| 11000 | } |
| 11001 | } |
| 11002 | |
| 11003 | if (isa<TemplateTemplateParmDecl>(FirstParam) && |
| 11004 | isa<TemplateTemplateParmDecl>(SecondParam)) { |
| 11005 | TemplateTemplateParmDecl *FirstTTPD = |
| 11006 | cast<TemplateTemplateParmDecl>(FirstParam); |
| 11007 | TemplateTemplateParmDecl *SecondTTPD = |
| 11008 | cast<TemplateTemplateParmDecl>(SecondParam); |
| 11009 | |
| 11010 | TemplateParameterList *FirstTPL = |
| 11011 | FirstTTPD->getTemplateParameters(); |
| 11012 | TemplateParameterList *SecondTPL = |
| 11013 | SecondTTPD->getTemplateParameters(); |
| 11014 | |
| 11015 | if (ComputeTemplateParameterListODRHash(FirstTPL) != |
| 11016 | ComputeTemplateParameterListODRHash(SecondTPL)) { |
| 11017 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 11018 | FirstTemplate->getLocation(), |
| 11019 | FirstTemplate->getSourceRange(), |
| 11020 | FunctionTemplateParameterDifferentType) |
| 11021 | << FirstTemplate << (i + 1); |
| 11022 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 11023 | SecondTemplate->getSourceRange(), |
| 11024 | FunctionTemplateParameterDifferentType) |
| 11025 | << SecondTemplate << (i + 1); |
| 11026 | ParameterMismatch = true; |
| 11027 | break; |
| 11028 | } |
| 11029 | |
| 11030 | bool HasFirstDefaultArgument = |
| 11031 | FirstTTPD->hasDefaultArgument() && |
| 11032 | !FirstTTPD->defaultArgumentWasInherited(); |
| 11033 | bool HasSecondDefaultArgument = |
| 11034 | SecondTTPD->hasDefaultArgument() && |
| 11035 | !SecondTTPD->defaultArgumentWasInherited(); |
| 11036 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { |
| 11037 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 11038 | FirstTemplate->getLocation(), |
| 11039 | FirstTemplate->getSourceRange(), |
| 11040 | FunctionTemplateParameterSingleDefaultArgument) |
| 11041 | << FirstTemplate << (i + 1) << HasFirstDefaultArgument; |
| 11042 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 11043 | SecondTemplate->getSourceRange(), |
| 11044 | FunctionTemplateParameterSingleDefaultArgument) |
| 11045 | << SecondTemplate << (i + 1) << HasSecondDefaultArgument; |
| 11046 | ParameterMismatch = true; |
| 11047 | break; |
| 11048 | } |
| 11049 | |
| 11050 | if (HasFirstDefaultArgument && HasSecondDefaultArgument) { |
| 11051 | TemplateArgument FirstTA = |
| 11052 | FirstTTPD->getDefaultArgument().getArgument(); |
| 11053 | TemplateArgument SecondTA = |
| 11054 | SecondTTPD->getDefaultArgument().getArgument(); |
| 11055 | if (ComputeTemplateArgumentODRHash(FirstTA) != |
| 11056 | ComputeTemplateArgumentODRHash(SecondTA)) { |
| 11057 | ODRDiagDeclError( |
| 11058 | FirstRecord, FirstModule, FirstTemplate->getLocation(), |
| 11059 | FirstTemplate->getSourceRange(), |
| 11060 | FunctionTemplateParameterDifferentDefaultArgument) |
| 11061 | << FirstTemplate << (i + 1) << FirstTA; |
| 11062 | ODRDiagDeclNote( |
| 11063 | SecondModule, SecondTemplate->getLocation(), |
| 11064 | SecondTemplate->getSourceRange(), |
| 11065 | FunctionTemplateParameterDifferentDefaultArgument) |
| 11066 | << SecondTemplate << (i + 1) << SecondTA; |
| 11067 | ParameterMismatch = true; |
| 11068 | break; |
| 11069 | } |
| 11070 | } |
| 11071 | |
| 11072 | if (FirstTTPD->isParameterPack() != |
| 11073 | SecondTTPD->isParameterPack()) { |
| 11074 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 11075 | FirstTemplate->getLocation(), |
| 11076 | FirstTemplate->getSourceRange(), |
| 11077 | FunctionTemplatePackParameter) |
| 11078 | << FirstTemplate << (i + 1) << FirstTTPD->isParameterPack(); |
| 11079 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 11080 | SecondTemplate->getSourceRange(), |
| 11081 | FunctionTemplatePackParameter) |
| 11082 | << SecondTemplate << (i + 1) << SecondTTPD->isParameterPack(); |
| 11083 | ParameterMismatch = true; |
| 11084 | break; |
| 11085 | } |
| 11086 | } |
| 11087 | |
| 11088 | if (isa<NonTypeTemplateParmDecl>(FirstParam) && |
| 11089 | isa<NonTypeTemplateParmDecl>(SecondParam)) { |
| 11090 | NonTypeTemplateParmDecl *FirstNTTPD = |
| 11091 | cast<NonTypeTemplateParmDecl>(FirstParam); |
| 11092 | NonTypeTemplateParmDecl *SecondNTTPD = |
| 11093 | cast<NonTypeTemplateParmDecl>(SecondParam); |
| 11094 | |
| 11095 | QualType FirstType = FirstNTTPD->getType(); |
| 11096 | QualType SecondType = SecondNTTPD->getType(); |
| 11097 | if (ComputeQualTypeODRHash(FirstType) != |
| 11098 | ComputeQualTypeODRHash(SecondType)) { |
| 11099 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 11100 | FirstTemplate->getLocation(), |
| 11101 | FirstTemplate->getSourceRange(), |
| 11102 | FunctionTemplateParameterDifferentType) |
| 11103 | << FirstTemplate << (i + 1); |
| 11104 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 11105 | SecondTemplate->getSourceRange(), |
| 11106 | FunctionTemplateParameterDifferentType) |
| 11107 | << SecondTemplate << (i + 1); |
| 11108 | ParameterMismatch = true; |
| 11109 | break; |
| 11110 | } |
| 11111 | |
| 11112 | bool HasFirstDefaultArgument = |
| 11113 | FirstNTTPD->hasDefaultArgument() && |
| 11114 | !FirstNTTPD->defaultArgumentWasInherited(); |
| 11115 | bool HasSecondDefaultArgument = |
| 11116 | SecondNTTPD->hasDefaultArgument() && |
| 11117 | !SecondNTTPD->defaultArgumentWasInherited(); |
| 11118 | if (HasFirstDefaultArgument != HasSecondDefaultArgument) { |
| 11119 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 11120 | FirstTemplate->getLocation(), |
| 11121 | FirstTemplate->getSourceRange(), |
| 11122 | FunctionTemplateParameterSingleDefaultArgument) |
| 11123 | << FirstTemplate << (i + 1) << HasFirstDefaultArgument; |
| 11124 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 11125 | SecondTemplate->getSourceRange(), |
| 11126 | FunctionTemplateParameterSingleDefaultArgument) |
| 11127 | << SecondTemplate << (i + 1) << HasSecondDefaultArgument; |
| 11128 | ParameterMismatch = true; |
| 11129 | break; |
| 11130 | } |
| 11131 | |
| 11132 | if (HasFirstDefaultArgument && HasSecondDefaultArgument) { |
| 11133 | Expr *FirstDefaultArgument = FirstNTTPD->getDefaultArgument(); |
| 11134 | Expr *SecondDefaultArgument = SecondNTTPD->getDefaultArgument(); |
| 11135 | if (ComputeODRHash(FirstDefaultArgument) != |
| 11136 | ComputeODRHash(SecondDefaultArgument)) { |
| 11137 | ODRDiagDeclError( |
| 11138 | FirstRecord, FirstModule, FirstTemplate->getLocation(), |
| 11139 | FirstTemplate->getSourceRange(), |
| 11140 | FunctionTemplateParameterDifferentDefaultArgument) |
| 11141 | << FirstTemplate << (i + 1) << FirstDefaultArgument; |
| 11142 | ODRDiagDeclNote( |
| 11143 | SecondModule, SecondTemplate->getLocation(), |
| 11144 | SecondTemplate->getSourceRange(), |
| 11145 | FunctionTemplateParameterDifferentDefaultArgument) |
| 11146 | << SecondTemplate << (i + 1) << SecondDefaultArgument; |
| 11147 | ParameterMismatch = true; |
| 11148 | break; |
| 11149 | } |
| 11150 | } |
| 11151 | |
| 11152 | if (FirstNTTPD->isParameterPack() != |
| 11153 | SecondNTTPD->isParameterPack()) { |
| 11154 | ODRDiagDeclError(FirstRecord, FirstModule, |
| 11155 | FirstTemplate->getLocation(), |
| 11156 | FirstTemplate->getSourceRange(), |
| 11157 | FunctionTemplatePackParameter) |
| 11158 | << FirstTemplate << (i + 1) << FirstNTTPD->isParameterPack(); |
| 11159 | ODRDiagDeclNote(SecondModule, SecondTemplate->getLocation(), |
| 11160 | SecondTemplate->getSourceRange(), |
| 11161 | FunctionTemplatePackParameter) |
| 11162 | << SecondTemplate << (i + 1) |
| 11163 | << SecondNTTPD->isParameterPack(); |
| 11164 | ParameterMismatch = true; |
| 11165 | break; |
| 11166 | } |
| 11167 | } |
| 11168 | } |
| 11169 | |
| 11170 | if (ParameterMismatch) { |
| 11171 | Diagnosed = true; |
| 11172 | break; |
| 11173 | } |
| 11174 | |
| 11175 | break; |
| 11176 | } |
| 11177 | } |
| 11178 | |
| 11179 | if (Diagnosed) |
| 11180 | continue; |
| 11181 | |
| 11182 | Diag(FirstDecl->getLocation(), |
| 11183 | diag::err_module_odr_violation_mismatch_decl_unknown) |
| 11184 | << FirstRecord << FirstModule.empty() << FirstModule << FirstDiffType |
| 11185 | << FirstDecl->getSourceRange(); |
| 11186 | Diag(SecondDecl->getLocation(), |
| 11187 | diag::note_module_odr_violation_mismatch_decl_unknown) |
| 11188 | << SecondModule << FirstDiffType << SecondDecl->getSourceRange(); |
| 11189 | Diagnosed = true; |
| 11190 | } |
| 11191 | |
| 11192 | if (!Diagnosed) { |
| 11193 | // All definitions are updates to the same declaration. This happens if a |
| 11194 | // module instantiates the declaration of a class template specialization |
| 11195 | // and two or more other modules instantiate its definition. |
| 11196 | // |
| 11197 | // FIXME: Indicate which modules had instantiations of this definition. |
| 11198 | // FIXME: How can this even happen? |
| 11199 | Diag(Merge.first->getLocation(), |
| 11200 | diag::err_module_odr_violation_different_instantiations) |
| 11201 | << Merge.first; |
| 11202 | } |
| 11203 | } |
| 11204 | |
| 11205 | // Issue ODR failures diagnostics for functions. |
| 11206 | for (auto &Merge : FunctionOdrMergeFailures) { |
| 11207 | enum ODRFunctionDifference { |
| 11208 | ReturnType, |
| 11209 | ParameterName, |
| 11210 | ParameterType, |
| 11211 | ParameterSingleDefaultArgument, |
| 11212 | ParameterDifferentDefaultArgument, |
| 11213 | FunctionBody, |
| 11214 | }; |
| 11215 | |
| 11216 | FunctionDecl *FirstFunction = Merge.first; |
| 11217 | std::string FirstModule = getOwningModuleNameForDiagnostic(FirstFunction); |
| 11218 | |
| 11219 | bool Diagnosed = false; |
| 11220 | for (auto &SecondFunction : Merge.second) { |
| 11221 | |
| 11222 | if (FirstFunction == SecondFunction) |
| 11223 | continue; |
| 11224 | |
| 11225 | std::string SecondModule = |
| 11226 | getOwningModuleNameForDiagnostic(SecondFunction); |
| 11227 | |
| 11228 | auto ODRDiagError = [FirstFunction, &FirstModule, |
| 11229 | this](SourceLocation Loc, SourceRange Range, |
| 11230 | ODRFunctionDifference DiffType) { |
| 11231 | return Diag(Loc, diag::err_module_odr_violation_function) |
| 11232 | << FirstFunction << FirstModule.empty() << FirstModule << Range |
| 11233 | << DiffType; |
| 11234 | }; |
| 11235 | auto ODRDiagNote = [&SecondModule, this](SourceLocation Loc, |
| 11236 | SourceRange Range, |
| 11237 | ODRFunctionDifference DiffType) { |
| 11238 | return Diag(Loc, diag::note_module_odr_violation_function) |
| 11239 | << SecondModule << Range << DiffType; |
| 11240 | }; |
| 11241 | |
| 11242 | if (ComputeQualTypeODRHash(FirstFunction->getReturnType()) != |
| 11243 | ComputeQualTypeODRHash(SecondFunction->getReturnType())) { |
| 11244 | ODRDiagError(FirstFunction->getReturnTypeSourceRange().getBegin(), |
| 11245 | FirstFunction->getReturnTypeSourceRange(), ReturnType) |
| 11246 | << FirstFunction->getReturnType(); |
| 11247 | ODRDiagNote(SecondFunction->getReturnTypeSourceRange().getBegin(), |
| 11248 | SecondFunction->getReturnTypeSourceRange(), ReturnType) |
| 11249 | << SecondFunction->getReturnType(); |
| 11250 | Diagnosed = true; |
| 11251 | break; |
| 11252 | } |
| 11253 | |
| 11254 | assert(FirstFunction->param_size() == SecondFunction->param_size() && |
| 11255 | "Merged functions with different number of parameters" ); |
| 11256 | |
| 11257 | auto ParamSize = FirstFunction->param_size(); |
| 11258 | bool ParameterMismatch = false; |
| 11259 | for (unsigned I = 0; I < ParamSize; ++I) { |
| 11260 | auto *FirstParam = FirstFunction->getParamDecl(I); |
| 11261 | auto *SecondParam = SecondFunction->getParamDecl(I); |
| 11262 | |
| 11263 | assert(getContext().hasSameType(FirstParam->getType(), |
| 11264 | SecondParam->getType()) && |
| 11265 | "Merged function has different parameter types." ); |
| 11266 | |
| 11267 | if (FirstParam->getDeclName() != SecondParam->getDeclName()) { |
| 11268 | ODRDiagError(FirstParam->getLocation(), FirstParam->getSourceRange(), |
| 11269 | ParameterName) |
| 11270 | << I + 1 << FirstParam->getDeclName(); |
| 11271 | ODRDiagNote(SecondParam->getLocation(), SecondParam->getSourceRange(), |
| 11272 | ParameterName) |
| 11273 | << I + 1 << SecondParam->getDeclName(); |
| 11274 | ParameterMismatch = true; |
| 11275 | break; |
| 11276 | }; |
| 11277 | |
| 11278 | QualType FirstParamType = FirstParam->getType(); |
| 11279 | QualType SecondParamType = SecondParam->getType(); |
| 11280 | if (FirstParamType != SecondParamType && |
| 11281 | ComputeQualTypeODRHash(FirstParamType) != |
| 11282 | ComputeQualTypeODRHash(SecondParamType)) { |
| 11283 | if (const DecayedType *ParamDecayedType = |
| 11284 | FirstParamType->getAs<DecayedType>()) { |
| 11285 | ODRDiagError(FirstParam->getLocation(), |
| 11286 | FirstParam->getSourceRange(), ParameterType) |
| 11287 | << (I + 1) << FirstParamType << true |
| 11288 | << ParamDecayedType->getOriginalType(); |
| 11289 | } else { |
| 11290 | ODRDiagError(FirstParam->getLocation(), |
| 11291 | FirstParam->getSourceRange(), ParameterType) |
| 11292 | << (I + 1) << FirstParamType << false; |
| 11293 | } |
| 11294 | |
| 11295 | if (const DecayedType *ParamDecayedType = |
| 11296 | SecondParamType->getAs<DecayedType>()) { |
| 11297 | ODRDiagNote(SecondParam->getLocation(), |
| 11298 | SecondParam->getSourceRange(), ParameterType) |
| 11299 | << (I + 1) << SecondParamType << true |
| 11300 | << ParamDecayedType->getOriginalType(); |
| 11301 | } else { |
| 11302 | ODRDiagNote(SecondParam->getLocation(), |
| 11303 | SecondParam->getSourceRange(), ParameterType) |
| 11304 | << (I + 1) << SecondParamType << false; |
| 11305 | } |
| 11306 | ParameterMismatch = true; |
| 11307 | break; |
| 11308 | } |
| 11309 | |
| 11310 | const Expr *FirstInit = FirstParam->getInit(); |
| 11311 | const Expr *SecondInit = SecondParam->getInit(); |
| 11312 | if ((FirstInit == nullptr) != (SecondInit == nullptr)) { |
| 11313 | ODRDiagError(FirstParam->getLocation(), FirstParam->getSourceRange(), |
| 11314 | ParameterSingleDefaultArgument) |
| 11315 | << (I + 1) << (FirstInit == nullptr) |
| 11316 | << (FirstInit ? FirstInit->getSourceRange() : SourceRange()); |
| 11317 | ODRDiagNote(SecondParam->getLocation(), SecondParam->getSourceRange(), |
| 11318 | ParameterSingleDefaultArgument) |
| 11319 | << (I + 1) << (SecondInit == nullptr) |
| 11320 | << (SecondInit ? SecondInit->getSourceRange() : SourceRange()); |
| 11321 | ParameterMismatch = true; |
| 11322 | break; |
| 11323 | } |
| 11324 | |
| 11325 | if (FirstInit && SecondInit && |
| 11326 | ComputeODRHash(FirstInit) != ComputeODRHash(SecondInit)) { |
| 11327 | ODRDiagError(FirstParam->getLocation(), FirstParam->getSourceRange(), |
| 11328 | ParameterDifferentDefaultArgument) |
| 11329 | << (I + 1) << FirstInit->getSourceRange(); |
| 11330 | ODRDiagNote(SecondParam->getLocation(), SecondParam->getSourceRange(), |
| 11331 | ParameterDifferentDefaultArgument) |
| 11332 | << (I + 1) << SecondInit->getSourceRange(); |
| 11333 | ParameterMismatch = true; |
| 11334 | break; |
| 11335 | } |
| 11336 | |
| 11337 | assert(ComputeSubDeclODRHash(FirstParam) == |
| 11338 | ComputeSubDeclODRHash(SecondParam) && |
| 11339 | "Undiagnosed parameter difference." ); |
| 11340 | } |
| 11341 | |
| 11342 | if (ParameterMismatch) { |
| 11343 | Diagnosed = true; |
| 11344 | break; |
| 11345 | } |
| 11346 | |
| 11347 | // If no error has been generated before now, assume the problem is in |
| 11348 | // the body and generate a message. |
| 11349 | ODRDiagError(FirstFunction->getLocation(), |
| 11350 | FirstFunction->getSourceRange(), FunctionBody); |
| 11351 | ODRDiagNote(SecondFunction->getLocation(), |
| 11352 | SecondFunction->getSourceRange(), FunctionBody); |
| 11353 | Diagnosed = true; |
| 11354 | break; |
| 11355 | } |
| 11356 | (void)Diagnosed; |
| 11357 | assert(Diagnosed && "Unable to emit ODR diagnostic." ); |
| 11358 | } |
| 11359 | |
| 11360 | // Issue ODR failures diagnostics for enums. |
| 11361 | for (auto &Merge : EnumOdrMergeFailures) { |
| 11362 | enum ODREnumDifference { |
| 11363 | SingleScopedEnum, |
| 11364 | EnumTagKeywordMismatch, |
| 11365 | SingleSpecifiedType, |
| 11366 | DifferentSpecifiedTypes, |
| 11367 | DifferentNumberEnumConstants, |
| 11368 | EnumConstantName, |
| 11369 | EnumConstantSingleInitilizer, |
| 11370 | EnumConstantDifferentInitilizer, |
| 11371 | }; |
| 11372 | |
| 11373 | // If we've already pointed out a specific problem with this enum, don't |
| 11374 | // bother issuing a general "something's different" diagnostic. |
| 11375 | if (!DiagnosedOdrMergeFailures.insert(Merge.first).second) |
| 11376 | continue; |
| 11377 | |
| 11378 | EnumDecl *FirstEnum = Merge.first; |
| 11379 | std::string FirstModule = getOwningModuleNameForDiagnostic(FirstEnum); |
| 11380 | |
| 11381 | using DeclHashes = |
| 11382 | llvm::SmallVector<std::pair<EnumConstantDecl *, unsigned>, 4>; |
| 11383 | auto PopulateHashes = [&ComputeSubDeclODRHash, FirstEnum]( |
| 11384 | DeclHashes &Hashes, EnumDecl *Enum) { |
| 11385 | for (auto *D : Enum->decls()) { |
| 11386 | // Due to decl merging, the first EnumDecl is the parent of |
| 11387 | // Decls in both records. |
| 11388 | if (!ODRHash::isDeclToBeProcessed(D, FirstEnum)) |
| 11389 | continue; |
| 11390 | assert(isa<EnumConstantDecl>(D) && "Unexpected Decl kind" ); |
| 11391 | Hashes.emplace_back(cast<EnumConstantDecl>(D), |
| 11392 | ComputeSubDeclODRHash(D)); |
| 11393 | } |
| 11394 | }; |
| 11395 | DeclHashes FirstHashes; |
| 11396 | PopulateHashes(FirstHashes, FirstEnum); |
| 11397 | bool Diagnosed = false; |
| 11398 | for (auto &SecondEnum : Merge.second) { |
| 11399 | |
| 11400 | if (FirstEnum == SecondEnum) |
| 11401 | continue; |
| 11402 | |
| 11403 | std::string SecondModule = |
| 11404 | getOwningModuleNameForDiagnostic(SecondEnum); |
| 11405 | |
| 11406 | auto ODRDiagError = [FirstEnum, &FirstModule, |
| 11407 | this](SourceLocation Loc, SourceRange Range, |
| 11408 | ODREnumDifference DiffType) { |
| 11409 | return Diag(Loc, diag::err_module_odr_violation_enum) |
| 11410 | << FirstEnum << FirstModule.empty() << FirstModule << Range |
| 11411 | << DiffType; |
| 11412 | }; |
| 11413 | auto ODRDiagNote = [&SecondModule, this](SourceLocation Loc, |
| 11414 | SourceRange Range, |
| 11415 | ODREnumDifference DiffType) { |
| 11416 | return Diag(Loc, diag::note_module_odr_violation_enum) |
| 11417 | << SecondModule << Range << DiffType; |
| 11418 | }; |
| 11419 | |
| 11420 | if (FirstEnum->isScoped() != SecondEnum->isScoped()) { |
| 11421 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), |
| 11422 | SingleScopedEnum) |
| 11423 | << FirstEnum->isScoped(); |
| 11424 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), |
| 11425 | SingleScopedEnum) |
| 11426 | << SecondEnum->isScoped(); |
| 11427 | Diagnosed = true; |
| 11428 | continue; |
| 11429 | } |
| 11430 | |
| 11431 | if (FirstEnum->isScoped() && SecondEnum->isScoped()) { |
| 11432 | if (FirstEnum->isScopedUsingClassTag() != |
| 11433 | SecondEnum->isScopedUsingClassTag()) { |
| 11434 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), |
| 11435 | EnumTagKeywordMismatch) |
| 11436 | << FirstEnum->isScopedUsingClassTag(); |
| 11437 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), |
| 11438 | EnumTagKeywordMismatch) |
| 11439 | << SecondEnum->isScopedUsingClassTag(); |
| 11440 | Diagnosed = true; |
| 11441 | continue; |
| 11442 | } |
| 11443 | } |
| 11444 | |
| 11445 | QualType FirstUnderlyingType = |
| 11446 | FirstEnum->getIntegerTypeSourceInfo() |
| 11447 | ? FirstEnum->getIntegerTypeSourceInfo()->getType() |
| 11448 | : QualType(); |
| 11449 | QualType SecondUnderlyingType = |
| 11450 | SecondEnum->getIntegerTypeSourceInfo() |
| 11451 | ? SecondEnum->getIntegerTypeSourceInfo()->getType() |
| 11452 | : QualType(); |
| 11453 | if (FirstUnderlyingType.isNull() != SecondUnderlyingType.isNull()) { |
| 11454 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), |
| 11455 | SingleSpecifiedType) |
| 11456 | << !FirstUnderlyingType.isNull(); |
| 11457 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), |
| 11458 | SingleSpecifiedType) |
| 11459 | << !SecondUnderlyingType.isNull(); |
| 11460 | Diagnosed = true; |
| 11461 | continue; |
| 11462 | } |
| 11463 | |
| 11464 | if (!FirstUnderlyingType.isNull() && !SecondUnderlyingType.isNull()) { |
| 11465 | if (ComputeQualTypeODRHash(FirstUnderlyingType) != |
| 11466 | ComputeQualTypeODRHash(SecondUnderlyingType)) { |
| 11467 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), |
| 11468 | DifferentSpecifiedTypes) |
| 11469 | << FirstUnderlyingType; |
| 11470 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), |
| 11471 | DifferentSpecifiedTypes) |
| 11472 | << SecondUnderlyingType; |
| 11473 | Diagnosed = true; |
| 11474 | continue; |
| 11475 | } |
| 11476 | } |
| 11477 | |
| 11478 | DeclHashes SecondHashes; |
| 11479 | PopulateHashes(SecondHashes, SecondEnum); |
| 11480 | |
| 11481 | if (FirstHashes.size() != SecondHashes.size()) { |
| 11482 | ODRDiagError(FirstEnum->getLocation(), FirstEnum->getSourceRange(), |
| 11483 | DifferentNumberEnumConstants) |
| 11484 | << (int)FirstHashes.size(); |
| 11485 | ODRDiagNote(SecondEnum->getLocation(), SecondEnum->getSourceRange(), |
| 11486 | DifferentNumberEnumConstants) |
| 11487 | << (int)SecondHashes.size(); |
| 11488 | Diagnosed = true; |
| 11489 | continue; |
| 11490 | } |
| 11491 | |
| 11492 | for (unsigned I = 0; I < FirstHashes.size(); ++I) { |
| 11493 | if (FirstHashes[I].second == SecondHashes[I].second) |
| 11494 | continue; |
| 11495 | const EnumConstantDecl *FirstEnumConstant = FirstHashes[I].first; |
| 11496 | const EnumConstantDecl *SecondEnumConstant = SecondHashes[I].first; |
| 11497 | |
| 11498 | if (FirstEnumConstant->getDeclName() != |
| 11499 | SecondEnumConstant->getDeclName()) { |
| 11500 | |
| 11501 | ODRDiagError(FirstEnumConstant->getLocation(), |
| 11502 | FirstEnumConstant->getSourceRange(), EnumConstantName) |
| 11503 | << I + 1 << FirstEnumConstant; |
| 11504 | ODRDiagNote(SecondEnumConstant->getLocation(), |
| 11505 | SecondEnumConstant->getSourceRange(), EnumConstantName) |
| 11506 | << I + 1 << SecondEnumConstant; |
| 11507 | Diagnosed = true; |
| 11508 | break; |
| 11509 | } |
| 11510 | |
| 11511 | const Expr *FirstInit = FirstEnumConstant->getInitExpr(); |
| 11512 | const Expr *SecondInit = SecondEnumConstant->getInitExpr(); |
| 11513 | if (!FirstInit && !SecondInit) |
| 11514 | continue; |
| 11515 | |
| 11516 | if (!FirstInit || !SecondInit) { |
| 11517 | ODRDiagError(FirstEnumConstant->getLocation(), |
| 11518 | FirstEnumConstant->getSourceRange(), |
| 11519 | EnumConstantSingleInitilizer) |
| 11520 | << I + 1 << FirstEnumConstant << (FirstInit != nullptr); |
| 11521 | ODRDiagNote(SecondEnumConstant->getLocation(), |
| 11522 | SecondEnumConstant->getSourceRange(), |
| 11523 | EnumConstantSingleInitilizer) |
| 11524 | << I + 1 << SecondEnumConstant << (SecondInit != nullptr); |
| 11525 | Diagnosed = true; |
| 11526 | break; |
| 11527 | } |
| 11528 | |
| 11529 | if (ComputeODRHash(FirstInit) != ComputeODRHash(SecondInit)) { |
| 11530 | ODRDiagError(FirstEnumConstant->getLocation(), |
| 11531 | FirstEnumConstant->getSourceRange(), |
| 11532 | EnumConstantDifferentInitilizer) |
| 11533 | << I + 1 << FirstEnumConstant; |
| 11534 | ODRDiagNote(SecondEnumConstant->getLocation(), |
| 11535 | SecondEnumConstant->getSourceRange(), |
| 11536 | EnumConstantDifferentInitilizer) |
| 11537 | << I + 1 << SecondEnumConstant; |
| 11538 | Diagnosed = true; |
| 11539 | break; |
| 11540 | } |
| 11541 | } |
| 11542 | } |
| 11543 | |
| 11544 | (void)Diagnosed; |
| 11545 | assert(Diagnosed && "Unable to emit ODR diagnostic." ); |
| 11546 | } |
| 11547 | } |
| 11548 | |
| 11549 | void ASTReader::StartedDeserializing() { |
| 11550 | if (++NumCurrentElementsDeserializing == 1 && ReadTimer.get()) |
| 11551 | ReadTimer->startTimer(); |
| 11552 | } |
| 11553 | |
| 11554 | void ASTReader::FinishedDeserializing() { |
| 11555 | assert(NumCurrentElementsDeserializing && |
| 11556 | "FinishedDeserializing not paired with StartedDeserializing" ); |
| 11557 | if (NumCurrentElementsDeserializing == 1) { |
| 11558 | // We decrease NumCurrentElementsDeserializing only after pending actions |
| 11559 | // are finished, to avoid recursively re-calling finishPendingActions(). |
| 11560 | finishPendingActions(); |
| 11561 | } |
| 11562 | --NumCurrentElementsDeserializing; |
| 11563 | |
| 11564 | if (NumCurrentElementsDeserializing == 0) { |
| 11565 | // Propagate exception specification and deduced type updates along |
| 11566 | // redeclaration chains. |
| 11567 | // |
| 11568 | // We do this now rather than in finishPendingActions because we want to |
| 11569 | // be able to walk the complete redeclaration chains of the updated decls. |
| 11570 | while (!PendingExceptionSpecUpdates.empty() || |
| 11571 | !PendingDeducedTypeUpdates.empty()) { |
| 11572 | auto ESUpdates = std::move(PendingExceptionSpecUpdates); |
| 11573 | PendingExceptionSpecUpdates.clear(); |
| 11574 | for (auto Update : ESUpdates) { |
| 11575 | ProcessingUpdatesRAIIObj ProcessingUpdates(*this); |
| 11576 | auto *FPT = Update.second->getType()->castAs<FunctionProtoType>(); |
| 11577 | auto ESI = FPT->getExtProtoInfo().ExceptionSpec; |
| 11578 | if (auto *Listener = getContext().getASTMutationListener()) |
| 11579 | Listener->ResolvedExceptionSpec(cast<FunctionDecl>(Update.second)); |
| 11580 | for (auto *Redecl : Update.second->redecls()) |
| 11581 | getContext().adjustExceptionSpec(cast<FunctionDecl>(Redecl), ESI); |
| 11582 | } |
| 11583 | |
| 11584 | auto DTUpdates = std::move(PendingDeducedTypeUpdates); |
| 11585 | PendingDeducedTypeUpdates.clear(); |
| 11586 | for (auto Update : DTUpdates) { |
| 11587 | ProcessingUpdatesRAIIObj ProcessingUpdates(*this); |
| 11588 | // FIXME: If the return type is already deduced, check that it matches. |
| 11589 | getContext().adjustDeducedFunctionResultType(Update.first, |
| 11590 | Update.second); |
| 11591 | } |
| 11592 | } |
| 11593 | |
| 11594 | if (ReadTimer) |
| 11595 | ReadTimer->stopTimer(); |
| 11596 | |
| 11597 | diagnoseOdrViolations(); |
| 11598 | |
| 11599 | // We are not in recursive loading, so it's safe to pass the "interesting" |
| 11600 | // decls to the consumer. |
| 11601 | if (Consumer) |
| 11602 | PassInterestingDeclsToConsumer(); |
| 11603 | } |
| 11604 | } |
| 11605 | |
| 11606 | void ASTReader::pushExternalDeclIntoScope(NamedDecl *D, DeclarationName Name) { |
| 11607 | if (IdentifierInfo *II = Name.getAsIdentifierInfo()) { |
| 11608 | // Remove any fake results before adding any real ones. |
| 11609 | auto It = PendingFakeLookupResults.find(II); |
| 11610 | if (It != PendingFakeLookupResults.end()) { |
| 11611 | for (auto *ND : It->second) |
| 11612 | SemaObj->IdResolver.RemoveDecl(ND); |
| 11613 | // FIXME: this works around module+PCH performance issue. |
| 11614 | // Rather than erase the result from the map, which is O(n), just clear |
| 11615 | // the vector of NamedDecls. |
| 11616 | It->second.clear(); |
| 11617 | } |
| 11618 | } |
| 11619 | |
| 11620 | if (SemaObj->IdResolver.tryAddTopLevelDecl(D, Name) && SemaObj->TUScope) { |
| 11621 | SemaObj->TUScope->AddDecl(D); |
| 11622 | } else if (SemaObj->TUScope) { |
| 11623 | // Adding the decl to IdResolver may have failed because it was already in |
| 11624 | // (even though it was not added in scope). If it is already in, make sure |
| 11625 | // it gets in the scope as well. |
| 11626 | if (std::find(SemaObj->IdResolver.begin(Name), |
| 11627 | SemaObj->IdResolver.end(), D) != SemaObj->IdResolver.end()) |
| 11628 | SemaObj->TUScope->AddDecl(D); |
| 11629 | } |
| 11630 | } |
| 11631 | |
| 11632 | ASTReader::ASTReader(Preprocessor &PP, InMemoryModuleCache &ModuleCache, |
| 11633 | ASTContext *Context, |
| 11634 | const PCHContainerReader &PCHContainerRdr, |
| 11635 | ArrayRef<std::shared_ptr<ModuleFileExtension>> Extensions, |
| 11636 | StringRef isysroot, |
| 11637 | DisableValidationForModuleKind DisableValidationKind, |
| 11638 | bool AllowASTWithCompilerErrors, |
| 11639 | bool AllowConfigurationMismatch, bool ValidateSystemInputs, |
| 11640 | bool ValidateASTInputFilesContent, bool UseGlobalIndex, |
| 11641 | std::unique_ptr<llvm::Timer> ReadTimer) |
| 11642 | : Listener(bool(DisableValidationKind &DisableValidationForModuleKind::PCH) |
| 11643 | ? cast<ASTReaderListener>(new SimpleASTReaderListener(PP)) |
| 11644 | : cast<ASTReaderListener>(new PCHValidator(PP, *this))), |
| 11645 | SourceMgr(PP.getSourceManager()), FileMgr(PP.getFileManager()), |
| 11646 | PCHContainerRdr(PCHContainerRdr), Diags(PP.getDiagnostics()), PP(PP), |
| 11647 | ContextObj(Context), ModuleMgr(PP.getFileManager(), ModuleCache, |
| 11648 | PCHContainerRdr, PP.getHeaderSearchInfo()), |
| 11649 | DummyIdResolver(PP), ReadTimer(std::move(ReadTimer)), isysroot(isysroot), |
| 11650 | DisableValidationKind(DisableValidationKind), |
| 11651 | AllowASTWithCompilerErrors(AllowASTWithCompilerErrors), |
| 11652 | AllowConfigurationMismatch(AllowConfigurationMismatch), |
| 11653 | ValidateSystemInputs(ValidateSystemInputs), |
| 11654 | ValidateASTInputFilesContent(ValidateASTInputFilesContent), |
| 11655 | UseGlobalIndex(UseGlobalIndex), CurrSwitchCaseStmts(&SwitchCaseStmts) { |
| 11656 | SourceMgr.setExternalSLocEntrySource(this); |
| 11657 | |
| 11658 | for (const auto &Ext : Extensions) { |
| 11659 | auto BlockName = Ext->getExtensionMetadata().BlockName; |
| 11660 | auto Known = ModuleFileExtensions.find(BlockName); |
| 11661 | if (Known != ModuleFileExtensions.end()) { |
| 11662 | Diags.Report(diag::warn_duplicate_module_file_extension) |
| 11663 | << BlockName; |
| 11664 | continue; |
| 11665 | } |
| 11666 | |
| 11667 | ModuleFileExtensions.insert({BlockName, Ext}); |
| 11668 | } |
| 11669 | } |
| 11670 | |
| 11671 | ASTReader::~ASTReader() { |
| 11672 | if (OwnsDeserializationListener) |
| 11673 | delete DeserializationListener; |
| 11674 | } |
| 11675 | |
| 11676 | IdentifierResolver &ASTReader::getIdResolver() { |
| 11677 | return SemaObj ? SemaObj->IdResolver : DummyIdResolver; |
| 11678 | } |
| 11679 | |
| 11680 | Expected<unsigned> ASTRecordReader::readRecord(llvm::BitstreamCursor &Cursor, |
| 11681 | unsigned AbbrevID) { |
| 11682 | Idx = 0; |
| 11683 | Record.clear(); |
| 11684 | return Cursor.readRecord(AbbrevID, Record); |
| 11685 | } |
| 11686 | //===----------------------------------------------------------------------===// |
| 11687 | //// OMPClauseReader implementation |
| 11688 | ////===----------------------------------------------------------------------===// |
| 11689 | |
| 11690 | // This has to be in namespace clang because it's friended by all |
| 11691 | // of the OMP clauses. |
| 11692 | namespace clang { |
| 11693 | |
| 11694 | class OMPClauseReader : public OMPClauseVisitor<OMPClauseReader> { |
| 11695 | ASTRecordReader &Record; |
| 11696 | ASTContext &Context; |
| 11697 | |
| 11698 | public: |
| 11699 | OMPClauseReader(ASTRecordReader &Record) |
| 11700 | : Record(Record), Context(Record.getContext()) {} |
| 11701 | #define GEN_CLANG_CLAUSE_CLASS |
| 11702 | #define CLAUSE_CLASS(Enum, Str, Class) void Visit##Class(Class *C); |
| 11703 | #include "llvm/Frontend/OpenMP/OMP.inc" |
| 11704 | OMPClause *readClause(); |
| 11705 | void VisitOMPClauseWithPreInit(OMPClauseWithPreInit *C); |
| 11706 | void VisitOMPClauseWithPostUpdate(OMPClauseWithPostUpdate *C); |
| 11707 | }; |
| 11708 | |
| 11709 | } // end namespace clang |
| 11710 | |
| 11711 | OMPClause *ASTRecordReader::readOMPClause() { |
| 11712 | return OMPClauseReader(*this).readClause(); |
| 11713 | } |
| 11714 | |
| 11715 | OMPClause *OMPClauseReader::readClause() { |
| 11716 | OMPClause *C = nullptr; |
| 11717 | switch (llvm::omp::Clause(Record.readInt())) { |
| 11718 | case llvm::omp::OMPC_if: |
| 11719 | C = new (Context) OMPIfClause(); |
| 11720 | break; |
| 11721 | case llvm::omp::OMPC_final: |
| 11722 | C = new (Context) OMPFinalClause(); |
| 11723 | break; |
| 11724 | case llvm::omp::OMPC_num_threads: |
| 11725 | C = new (Context) OMPNumThreadsClause(); |
| 11726 | break; |
| 11727 | case llvm::omp::OMPC_safelen: |
| 11728 | C = new (Context) OMPSafelenClause(); |
| 11729 | break; |
| 11730 | case llvm::omp::OMPC_simdlen: |
| 11731 | C = new (Context) OMPSimdlenClause(); |
| 11732 | break; |
| 11733 | case llvm::omp::OMPC_allocator: |
| 11734 | C = new (Context) OMPAllocatorClause(); |
| 11735 | break; |
| 11736 | case llvm::omp::OMPC_collapse: |
| 11737 | C = new (Context) OMPCollapseClause(); |
| 11738 | break; |
| 11739 | case llvm::omp::OMPC_default: |
| 11740 | C = new (Context) OMPDefaultClause(); |
| 11741 | break; |
| 11742 | case llvm::omp::OMPC_proc_bind: |
| 11743 | C = new (Context) OMPProcBindClause(); |
| 11744 | break; |
| 11745 | case llvm::omp::OMPC_schedule: |
| 11746 | C = new (Context) OMPScheduleClause(); |
| 11747 | break; |
| 11748 | case llvm::omp::OMPC_ordered: |
| 11749 | C = OMPOrderedClause::CreateEmpty(Context, Record.readInt()); |
| 11750 | break; |
| 11751 | case llvm::omp::OMPC_nowait: |
| 11752 | C = new (Context) OMPNowaitClause(); |
| 11753 | break; |
| 11754 | case llvm::omp::OMPC_untied: |
| 11755 | C = new (Context) OMPUntiedClause(); |
| 11756 | break; |
| 11757 | case llvm::omp::OMPC_mergeable: |
| 11758 | C = new (Context) OMPMergeableClause(); |
| 11759 | break; |
| 11760 | case llvm::omp::OMPC_read: |
| 11761 | C = new (Context) OMPReadClause(); |
| 11762 | break; |
| 11763 | case llvm::omp::OMPC_write: |
| 11764 | C = new (Context) OMPWriteClause(); |
| 11765 | break; |
| 11766 | case llvm::omp::OMPC_update: |
| 11767 | C = OMPUpdateClause::CreateEmpty(Context, Record.readInt()); |
| 11768 | break; |
| 11769 | case llvm::omp::OMPC_capture: |
| 11770 | C = new (Context) OMPCaptureClause(); |
| 11771 | break; |
| 11772 | case llvm::omp::OMPC_seq_cst: |
| 11773 | C = new (Context) OMPSeqCstClause(); |
| 11774 | break; |
| 11775 | case llvm::omp::OMPC_acq_rel: |
| 11776 | C = new (Context) OMPAcqRelClause(); |
| 11777 | break; |
| 11778 | case llvm::omp::OMPC_acquire: |
| 11779 | C = new (Context) OMPAcquireClause(); |
| 11780 | break; |
| 11781 | case llvm::omp::OMPC_release: |
| 11782 | C = new (Context) OMPReleaseClause(); |
| 11783 | break; |
| 11784 | case llvm::omp::OMPC_relaxed: |
| 11785 | C = new (Context) OMPRelaxedClause(); |
| 11786 | break; |
| 11787 | case llvm::omp::OMPC_threads: |
| 11788 | C = new (Context) OMPThreadsClause(); |
| 11789 | break; |
| 11790 | case llvm::omp::OMPC_simd: |
| 11791 | C = new (Context) OMPSIMDClause(); |
| 11792 | break; |
| 11793 | case llvm::omp::OMPC_nogroup: |
| 11794 | C = new (Context) OMPNogroupClause(); |
| 11795 | break; |
| 11796 | case llvm::omp::OMPC_unified_address: |
| 11797 | C = new (Context) OMPUnifiedAddressClause(); |
| 11798 | break; |
| 11799 | case llvm::omp::OMPC_unified_shared_memory: |
| 11800 | C = new (Context) OMPUnifiedSharedMemoryClause(); |
| 11801 | break; |
| 11802 | case llvm::omp::OMPC_reverse_offload: |
| 11803 | C = new (Context) OMPReverseOffloadClause(); |
| 11804 | break; |
| 11805 | case llvm::omp::OMPC_dynamic_allocators: |
| 11806 | C = new (Context) OMPDynamicAllocatorsClause(); |
| 11807 | break; |
| 11808 | case llvm::omp::OMPC_atomic_default_mem_order: |
| 11809 | C = new (Context) OMPAtomicDefaultMemOrderClause(); |
| 11810 | break; |
| 11811 | case llvm::omp::OMPC_private: |
| 11812 | C = OMPPrivateClause::CreateEmpty(Context, Record.readInt()); |
| 11813 | break; |
| 11814 | case llvm::omp::OMPC_firstprivate: |
| 11815 | C = OMPFirstprivateClause::CreateEmpty(Context, Record.readInt()); |
| 11816 | break; |
| 11817 | case llvm::omp::OMPC_lastprivate: |
| 11818 | C = OMPLastprivateClause::CreateEmpty(Context, Record.readInt()); |
| 11819 | break; |
| 11820 | case llvm::omp::OMPC_shared: |
| 11821 | C = OMPSharedClause::CreateEmpty(Context, Record.readInt()); |
| 11822 | break; |
| 11823 | case llvm::omp::OMPC_reduction: { |
| 11824 | unsigned N = Record.readInt(); |
| 11825 | auto Modifier = Record.readEnum<OpenMPReductionClauseModifier>(); |
| 11826 | C = OMPReductionClause::CreateEmpty(Context, N, Modifier); |
| 11827 | break; |
| 11828 | } |
| 11829 | case llvm::omp::OMPC_task_reduction: |
| 11830 | C = OMPTaskReductionClause::CreateEmpty(Context, Record.readInt()); |
| 11831 | break; |
| 11832 | case llvm::omp::OMPC_in_reduction: |
| 11833 | C = OMPInReductionClause::CreateEmpty(Context, Record.readInt()); |
| 11834 | break; |
| 11835 | case llvm::omp::OMPC_linear: |
| 11836 | C = OMPLinearClause::CreateEmpty(Context, Record.readInt()); |
| 11837 | break; |
| 11838 | case llvm::omp::OMPC_aligned: |
| 11839 | C = OMPAlignedClause::CreateEmpty(Context, Record.readInt()); |
| 11840 | break; |
| 11841 | case llvm::omp::OMPC_copyin: |
| 11842 | C = OMPCopyinClause::CreateEmpty(Context, Record.readInt()); |
| 11843 | break; |
| 11844 | case llvm::omp::OMPC_copyprivate: |
| 11845 | C = OMPCopyprivateClause::CreateEmpty(Context, Record.readInt()); |
| 11846 | break; |
| 11847 | case llvm::omp::OMPC_flush: |
| 11848 | C = OMPFlushClause::CreateEmpty(Context, Record.readInt()); |
| 11849 | break; |
| 11850 | case llvm::omp::OMPC_depobj: |
| 11851 | C = OMPDepobjClause::CreateEmpty(Context); |
| 11852 | break; |
| 11853 | case llvm::omp::OMPC_depend: { |
| 11854 | unsigned NumVars = Record.readInt(); |
| 11855 | unsigned NumLoops = Record.readInt(); |
| 11856 | C = OMPDependClause::CreateEmpty(Context, NumVars, NumLoops); |
| 11857 | break; |
| 11858 | } |
| 11859 | case llvm::omp::OMPC_device: |
| 11860 | C = new (Context) OMPDeviceClause(); |
| 11861 | break; |
| 11862 | case llvm::omp::OMPC_map: { |
| 11863 | OMPMappableExprListSizeTy Sizes; |
| 11864 | Sizes.NumVars = Record.readInt(); |
| 11865 | Sizes.NumUniqueDeclarations = Record.readInt(); |
| 11866 | Sizes.NumComponentLists = Record.readInt(); |
| 11867 | Sizes.NumComponents = Record.readInt(); |
| 11868 | C = OMPMapClause::CreateEmpty(Context, Sizes); |
| 11869 | break; |
| 11870 | } |
| 11871 | case llvm::omp::OMPC_num_teams: |
| 11872 | C = new (Context) OMPNumTeamsClause(); |
| 11873 | break; |
| 11874 | case llvm::omp::OMPC_thread_limit: |
| 11875 | C = new (Context) OMPThreadLimitClause(); |
| 11876 | break; |
| 11877 | case llvm::omp::OMPC_priority: |
| 11878 | C = new (Context) OMPPriorityClause(); |
| 11879 | break; |
| 11880 | case llvm::omp::OMPC_grainsize: |
| 11881 | C = new (Context) OMPGrainsizeClause(); |
| 11882 | break; |
| 11883 | case llvm::omp::OMPC_num_tasks: |
| 11884 | C = new (Context) OMPNumTasksClause(); |
| 11885 | break; |
| 11886 | case llvm::omp::OMPC_hint: |
| 11887 | C = new (Context) OMPHintClause(); |
| 11888 | break; |
| 11889 | case llvm::omp::OMPC_dist_schedule: |
| 11890 | C = new (Context) OMPDistScheduleClause(); |
| 11891 | break; |
| 11892 | case llvm::omp::OMPC_defaultmap: |
| 11893 | C = new (Context) OMPDefaultmapClause(); |
| 11894 | break; |
| 11895 | case llvm::omp::OMPC_to: { |
| 11896 | OMPMappableExprListSizeTy Sizes; |
| 11897 | Sizes.NumVars = Record.readInt(); |
| 11898 | Sizes.NumUniqueDeclarations = Record.readInt(); |
| 11899 | Sizes.NumComponentLists = Record.readInt(); |
| 11900 | Sizes.NumComponents = Record.readInt(); |
| 11901 | C = OMPToClause::CreateEmpty(Context, Sizes); |
| 11902 | break; |
| 11903 | } |
| 11904 | case llvm::omp::OMPC_from: { |
| 11905 | OMPMappableExprListSizeTy Sizes; |
| 11906 | Sizes.NumVars = Record.readInt(); |
| 11907 | Sizes.NumUniqueDeclarations = Record.readInt(); |
| 11908 | Sizes.NumComponentLists = Record.readInt(); |
| 11909 | Sizes.NumComponents = Record.readInt(); |
| 11910 | C = OMPFromClause::CreateEmpty(Context, Sizes); |
| 11911 | break; |
| 11912 | } |
| 11913 | case llvm::omp::OMPC_use_device_ptr: { |
| 11914 | OMPMappableExprListSizeTy Sizes; |
| 11915 | Sizes.NumVars = Record.readInt(); |
| 11916 | Sizes.NumUniqueDeclarations = Record.readInt(); |
| 11917 | Sizes.NumComponentLists = Record.readInt(); |
| 11918 | Sizes.NumComponents = Record.readInt(); |
| 11919 | C = OMPUseDevicePtrClause::CreateEmpty(Context, Sizes); |
| 11920 | break; |
| 11921 | } |
| 11922 | case llvm::omp::OMPC_use_device_addr: { |
| 11923 | OMPMappableExprListSizeTy Sizes; |
| 11924 | Sizes.NumVars = Record.readInt(); |
| 11925 | Sizes.NumUniqueDeclarations = Record.readInt(); |
| 11926 | Sizes.NumComponentLists = Record.readInt(); |
| 11927 | Sizes.NumComponents = Record.readInt(); |
| 11928 | C = OMPUseDeviceAddrClause::CreateEmpty(Context, Sizes); |
| 11929 | break; |
| 11930 | } |
| 11931 | case llvm::omp::OMPC_is_device_ptr: { |
| 11932 | OMPMappableExprListSizeTy Sizes; |
| 11933 | Sizes.NumVars = Record.readInt(); |
| 11934 | Sizes.NumUniqueDeclarations = Record.readInt(); |
| 11935 | Sizes.NumComponentLists = Record.readInt(); |
| 11936 | Sizes.NumComponents = Record.readInt(); |
| 11937 | C = OMPIsDevicePtrClause::CreateEmpty(Context, Sizes); |
| 11938 | break; |
| 11939 | } |
| 11940 | case llvm::omp::OMPC_allocate: |
| 11941 | C = OMPAllocateClause::CreateEmpty(Context, Record.readInt()); |
| 11942 | break; |
| 11943 | case llvm::omp::OMPC_nontemporal: |
| 11944 | C = OMPNontemporalClause::CreateEmpty(Context, Record.readInt()); |
| 11945 | break; |
| 11946 | case llvm::omp::OMPC_inclusive: |
| 11947 | C = OMPInclusiveClause::CreateEmpty(Context, Record.readInt()); |
| 11948 | break; |
| 11949 | case llvm::omp::OMPC_exclusive: |
| 11950 | C = OMPExclusiveClause::CreateEmpty(Context, Record.readInt()); |
| 11951 | break; |
| 11952 | case llvm::omp::OMPC_order: |
| 11953 | C = new (Context) OMPOrderClause(); |
| 11954 | break; |
| 11955 | case llvm::omp::OMPC_destroy: |
| 11956 | C = new (Context) OMPDestroyClause(); |
| 11957 | break; |
| 11958 | case llvm::omp::OMPC_detach: |
| 11959 | C = new (Context) OMPDetachClause(); |
| 11960 | break; |
| 11961 | case llvm::omp::OMPC_uses_allocators: |
| 11962 | C = OMPUsesAllocatorsClause::CreateEmpty(Context, Record.readInt()); |
| 11963 | break; |
| 11964 | case llvm::omp::OMPC_affinity: |
| 11965 | C = OMPAffinityClause::CreateEmpty(Context, Record.readInt()); |
| 11966 | break; |
| 11967 | #define OMP_CLAUSE_NO_CLASS(Enum, Str) \ |
| 11968 | case llvm::omp::Enum: \ |
| 11969 | break; |
| 11970 | #include "llvm/Frontend/OpenMP/OMPKinds.def" |
| 11971 | default: |
| 11972 | break; |
| 11973 | } |
| 11974 | assert(C && "Unknown OMPClause type" ); |
| 11975 | |
| 11976 | Visit(C); |
| 11977 | C->setLocStart(Record.readSourceLocation()); |
| 11978 | C->setLocEnd(Record.readSourceLocation()); |
| 11979 | |
| 11980 | return C; |
| 11981 | } |
| 11982 | |
| 11983 | void OMPClauseReader::VisitOMPClauseWithPreInit(OMPClauseWithPreInit *C) { |
| 11984 | C->setPreInitStmt(Record.readSubStmt(), |
| 11985 | static_cast<OpenMPDirectiveKind>(Record.readInt())); |
| 11986 | } |
| 11987 | |
| 11988 | void OMPClauseReader::VisitOMPClauseWithPostUpdate(OMPClauseWithPostUpdate *C) { |
| 11989 | VisitOMPClauseWithPreInit(C); |
| 11990 | C->setPostUpdateExpr(Record.readSubExpr()); |
| 11991 | } |
| 11992 | |
| 11993 | void OMPClauseReader::VisitOMPIfClause(OMPIfClause *C) { |
| 11994 | VisitOMPClauseWithPreInit(C); |
| 11995 | C->setNameModifier(static_cast<OpenMPDirectiveKind>(Record.readInt())); |
| 11996 | C->setNameModifierLoc(Record.readSourceLocation()); |
| 11997 | C->setColonLoc(Record.readSourceLocation()); |
| 11998 | C->setCondition(Record.readSubExpr()); |
| 11999 | C->setLParenLoc(Record.readSourceLocation()); |
| 12000 | } |
| 12001 | |
| 12002 | void OMPClauseReader::VisitOMPFinalClause(OMPFinalClause *C) { |
| 12003 | VisitOMPClauseWithPreInit(C); |
| 12004 | C->setCondition(Record.readSubExpr()); |
| 12005 | C->setLParenLoc(Record.readSourceLocation()); |
| 12006 | } |
| 12007 | |
| 12008 | void OMPClauseReader::VisitOMPNumThreadsClause(OMPNumThreadsClause *C) { |
| 12009 | VisitOMPClauseWithPreInit(C); |
| 12010 | C->setNumThreads(Record.readSubExpr()); |
| 12011 | C->setLParenLoc(Record.readSourceLocation()); |
| 12012 | } |
| 12013 | |
| 12014 | void OMPClauseReader::VisitOMPSafelenClause(OMPSafelenClause *C) { |
| 12015 | C->setSafelen(Record.readSubExpr()); |
| 12016 | C->setLParenLoc(Record.readSourceLocation()); |
| 12017 | } |
| 12018 | |
| 12019 | void OMPClauseReader::VisitOMPSimdlenClause(OMPSimdlenClause *C) { |
| 12020 | C->setSimdlen(Record.readSubExpr()); |
| 12021 | C->setLParenLoc(Record.readSourceLocation()); |
| 12022 | } |
| 12023 | |
| 12024 | void OMPClauseReader::VisitOMPAllocatorClause(OMPAllocatorClause *C) { |
| 12025 | C->setAllocator(Record.readExpr()); |
| 12026 | C->setLParenLoc(Record.readSourceLocation()); |
| 12027 | } |
| 12028 | |
| 12029 | void OMPClauseReader::VisitOMPCollapseClause(OMPCollapseClause *C) { |
| 12030 | C->setNumForLoops(Record.readSubExpr()); |
| 12031 | C->setLParenLoc(Record.readSourceLocation()); |
| 12032 | } |
| 12033 | |
| 12034 | void OMPClauseReader::VisitOMPDefaultClause(OMPDefaultClause *C) { |
| 12035 | C->setDefaultKind(static_cast<llvm::omp::DefaultKind>(Record.readInt())); |
| 12036 | C->setLParenLoc(Record.readSourceLocation()); |
| 12037 | C->setDefaultKindKwLoc(Record.readSourceLocation()); |
| 12038 | } |
| 12039 | |
| 12040 | void OMPClauseReader::VisitOMPProcBindClause(OMPProcBindClause *C) { |
| 12041 | C->setProcBindKind(static_cast<llvm::omp::ProcBindKind>(Record.readInt())); |
| 12042 | C->setLParenLoc(Record.readSourceLocation()); |
| 12043 | C->setProcBindKindKwLoc(Record.readSourceLocation()); |
| 12044 | } |
| 12045 | |
| 12046 | void OMPClauseReader::VisitOMPScheduleClause(OMPScheduleClause *C) { |
| 12047 | VisitOMPClauseWithPreInit(C); |
| 12048 | C->setScheduleKind( |
| 12049 | static_cast<OpenMPScheduleClauseKind>(Record.readInt())); |
| 12050 | C->setFirstScheduleModifier( |
| 12051 | static_cast<OpenMPScheduleClauseModifier>(Record.readInt())); |
| 12052 | C->setSecondScheduleModifier( |
| 12053 | static_cast<OpenMPScheduleClauseModifier>(Record.readInt())); |
| 12054 | C->setChunkSize(Record.readSubExpr()); |
| 12055 | C->setLParenLoc(Record.readSourceLocation()); |
| 12056 | C->setFirstScheduleModifierLoc(Record.readSourceLocation()); |
| 12057 | C->setSecondScheduleModifierLoc(Record.readSourceLocation()); |
| 12058 | C->setScheduleKindLoc(Record.readSourceLocation()); |
| 12059 | C->setCommaLoc(Record.readSourceLocation()); |
| 12060 | } |
| 12061 | |
| 12062 | void OMPClauseReader::VisitOMPOrderedClause(OMPOrderedClause *C) { |
| 12063 | C->setNumForLoops(Record.readSubExpr()); |
| 12064 | for (unsigned I = 0, E = C->NumberOfLoops; I < E; ++I) |
| 12065 | C->setLoopNumIterations(I, Record.readSubExpr()); |
| 12066 | for (unsigned I = 0, E = C->NumberOfLoops; I < E; ++I) |
| 12067 | C->setLoopCounter(I, Record.readSubExpr()); |
| 12068 | C->setLParenLoc(Record.readSourceLocation()); |
| 12069 | } |
| 12070 | |
| 12071 | void OMPClauseReader::VisitOMPDetachClause(OMPDetachClause *C) { |
| 12072 | C->setEventHandler(Record.readSubExpr()); |
| 12073 | C->setLParenLoc(Record.readSourceLocation()); |
| 12074 | } |
| 12075 | |
| 12076 | void OMPClauseReader::VisitOMPNowaitClause(OMPNowaitClause *) {} |
| 12077 | |
| 12078 | void OMPClauseReader::VisitOMPUntiedClause(OMPUntiedClause *) {} |
| 12079 | |
| 12080 | void OMPClauseReader::VisitOMPMergeableClause(OMPMergeableClause *) {} |
| 12081 | |
| 12082 | void OMPClauseReader::VisitOMPReadClause(OMPReadClause *) {} |
| 12083 | |
| 12084 | void OMPClauseReader::VisitOMPWriteClause(OMPWriteClause *) {} |
| 12085 | |
| 12086 | void OMPClauseReader::VisitOMPUpdateClause(OMPUpdateClause *C) { |
| 12087 | if (C->isExtended()) { |
| 12088 | C->setLParenLoc(Record.readSourceLocation()); |
| 12089 | C->setArgumentLoc(Record.readSourceLocation()); |
| 12090 | C->setDependencyKind(Record.readEnum<OpenMPDependClauseKind>()); |
| 12091 | } |
| 12092 | } |
| 12093 | |
| 12094 | void OMPClauseReader::VisitOMPCaptureClause(OMPCaptureClause *) {} |
| 12095 | |
| 12096 | void OMPClauseReader::VisitOMPSeqCstClause(OMPSeqCstClause *) {} |
| 12097 | |
| 12098 | void OMPClauseReader::VisitOMPAcqRelClause(OMPAcqRelClause *) {} |
| 12099 | |
| 12100 | void OMPClauseReader::VisitOMPAcquireClause(OMPAcquireClause *) {} |
| 12101 | |
| 12102 | void OMPClauseReader::VisitOMPReleaseClause(OMPReleaseClause *) {} |
| 12103 | |
| 12104 | void OMPClauseReader::VisitOMPRelaxedClause(OMPRelaxedClause *) {} |
| 12105 | |
| 12106 | void OMPClauseReader::VisitOMPThreadsClause(OMPThreadsClause *) {} |
| 12107 | |
| 12108 | void OMPClauseReader::VisitOMPSIMDClause(OMPSIMDClause *) {} |
| 12109 | |
| 12110 | void OMPClauseReader::VisitOMPNogroupClause(OMPNogroupClause *) {} |
| 12111 | |
| 12112 | void OMPClauseReader::VisitOMPDestroyClause(OMPDestroyClause *) {} |
| 12113 | |
| 12114 | void OMPClauseReader::VisitOMPUnifiedAddressClause(OMPUnifiedAddressClause *) {} |
| 12115 | |
| 12116 | void OMPClauseReader::VisitOMPUnifiedSharedMemoryClause( |
| 12117 | OMPUnifiedSharedMemoryClause *) {} |
| 12118 | |
| 12119 | void OMPClauseReader::VisitOMPReverseOffloadClause(OMPReverseOffloadClause *) {} |
| 12120 | |
| 12121 | void |
| 12122 | OMPClauseReader::VisitOMPDynamicAllocatorsClause(OMPDynamicAllocatorsClause *) { |
| 12123 | } |
| 12124 | |
| 12125 | void OMPClauseReader::VisitOMPAtomicDefaultMemOrderClause( |
| 12126 | OMPAtomicDefaultMemOrderClause *C) { |
| 12127 | C->setAtomicDefaultMemOrderKind( |
| 12128 | static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Record.readInt())); |
| 12129 | C->setLParenLoc(Record.readSourceLocation()); |
| 12130 | C->setAtomicDefaultMemOrderKindKwLoc(Record.readSourceLocation()); |
| 12131 | } |
| 12132 | |
| 12133 | void OMPClauseReader::VisitOMPPrivateClause(OMPPrivateClause *C) { |
| 12134 | C->setLParenLoc(Record.readSourceLocation()); |
| 12135 | unsigned NumVars = C->varlist_size(); |
| 12136 | SmallVector<Expr *, 16> Vars; |
| 12137 | Vars.reserve(NumVars); |
| 12138 | for (unsigned i = 0; i != NumVars; ++i) |
| 12139 | Vars.push_back(Record.readSubExpr()); |
| 12140 | C->setVarRefs(Vars); |
| 12141 | Vars.clear(); |
| 12142 | for (unsigned i = 0; i != NumVars; ++i) |
| 12143 | Vars.push_back(Record.readSubExpr()); |
| 12144 | C->setPrivateCopies(Vars); |
| 12145 | } |
| 12146 | |
| 12147 | void OMPClauseReader::VisitOMPFirstprivateClause(OMPFirstprivateClause *C) { |
| 12148 | VisitOMPClauseWithPreInit(C); |
| 12149 | C->setLParenLoc(Record.readSourceLocation()); |
| 12150 | unsigned NumVars = C->varlist_size(); |
| 12151 | SmallVector<Expr *, 16> Vars; |
| 12152 | Vars.reserve(NumVars); |
| 12153 | for (unsigned i = 0; i != NumVars; ++i) |
| 12154 | Vars.push_back(Record.readSubExpr()); |
| 12155 | C->setVarRefs(Vars); |
| 12156 | Vars.clear(); |
| 12157 | for (unsigned i = 0; i != NumVars; ++i) |
| 12158 | Vars.push_back(Record.readSubExpr()); |
| 12159 | C->setPrivateCopies(Vars); |
| 12160 | Vars.clear(); |
| 12161 | for (unsigned i = 0; i != NumVars; ++i) |
| 12162 | Vars.push_back(Record.readSubExpr()); |
| 12163 | C->setInits(Vars); |
| 12164 | } |
| 12165 | |
| 12166 | void OMPClauseReader::VisitOMPLastprivateClause(OMPLastprivateClause *C) { |
| 12167 | VisitOMPClauseWithPostUpdate(C); |
| 12168 | C->setLParenLoc(Record.readSourceLocation()); |
| 12169 | C->setKind(Record.readEnum<OpenMPLastprivateModifier>()); |
| 12170 | C->setKindLoc(Record.readSourceLocation()); |
| 12171 | C->setColonLoc(Record.readSourceLocation()); |
| 12172 | unsigned NumVars = C->varlist_size(); |
| 12173 | SmallVector<Expr *, 16> Vars; |
| 12174 | Vars.reserve(NumVars); |
| 12175 | for (unsigned i = 0; i != NumVars; ++i) |
| 12176 | Vars.push_back(Record.readSubExpr()); |
| 12177 | C->setVarRefs(Vars); |
| 12178 | Vars.clear(); |
| 12179 | for (unsigned i = 0; i != NumVars; ++i) |
| 12180 | Vars.push_back(Record.readSubExpr()); |
| 12181 | C->setPrivateCopies(Vars); |
| 12182 | Vars.clear(); |
| 12183 | for (unsigned i = 0; i != NumVars; ++i) |
| 12184 | Vars.push_back(Record.readSubExpr()); |
| 12185 | C->setSourceExprs(Vars); |
| 12186 | Vars.clear(); |
| 12187 | for (unsigned i = 0; i != NumVars; ++i) |
| 12188 | Vars.push_back(Record.readSubExpr()); |
| 12189 | C->setDestinationExprs(Vars); |
| 12190 | Vars.clear(); |
| 12191 | for (unsigned i = 0; i != NumVars; ++i) |
| 12192 | Vars.push_back(Record.readSubExpr()); |
| 12193 | C->setAssignmentOps(Vars); |
| 12194 | } |
| 12195 | |
| 12196 | void OMPClauseReader::VisitOMPSharedClause(OMPSharedClause *C) { |
| 12197 | C->setLParenLoc(Record.readSourceLocation()); |
| 12198 | unsigned NumVars = C->varlist_size(); |
| 12199 | SmallVector<Expr *, 16> Vars; |
| 12200 | Vars.reserve(NumVars); |
| 12201 | for (unsigned i = 0; i != NumVars; ++i) |
| 12202 | Vars.push_back(Record.readSubExpr()); |
| 12203 | C->setVarRefs(Vars); |
| 12204 | } |
| 12205 | |
| 12206 | void OMPClauseReader::VisitOMPReductionClause(OMPReductionClause *C) { |
| 12207 | VisitOMPClauseWithPostUpdate(C); |
| 12208 | C->setLParenLoc(Record.readSourceLocation()); |
| 12209 | C->setModifierLoc(Record.readSourceLocation()); |
| 12210 | C->setColonLoc(Record.readSourceLocation()); |
| 12211 | NestedNameSpecifierLoc NNSL = Record.readNestedNameSpecifierLoc(); |
| 12212 | DeclarationNameInfo DNI = Record.readDeclarationNameInfo(); |
| 12213 | C->setQualifierLoc(NNSL); |
| 12214 | C->setNameInfo(DNI); |
| 12215 | |
| 12216 | unsigned NumVars = C->varlist_size(); |
| 12217 | SmallVector<Expr *, 16> Vars; |
| 12218 | Vars.reserve(NumVars); |
| 12219 | for (unsigned i = 0; i != NumVars; ++i) |
| 12220 | Vars.push_back(Record.readSubExpr()); |
| 12221 | C->setVarRefs(Vars); |
| 12222 | Vars.clear(); |
| 12223 | for (unsigned i = 0; i != NumVars; ++i) |
| 12224 | Vars.push_back(Record.readSubExpr()); |
| 12225 | C->setPrivates(Vars); |
| 12226 | Vars.clear(); |
| 12227 | for (unsigned i = 0; i != NumVars; ++i) |
| 12228 | Vars.push_back(Record.readSubExpr()); |
| 12229 | C->setLHSExprs(Vars); |
| 12230 | Vars.clear(); |
| 12231 | for (unsigned i = 0; i != NumVars; ++i) |
| 12232 | Vars.push_back(Record.readSubExpr()); |
| 12233 | C->setRHSExprs(Vars); |
| 12234 | Vars.clear(); |
| 12235 | for (unsigned i = 0; i != NumVars; ++i) |
| 12236 | Vars.push_back(Record.readSubExpr()); |
| 12237 | C->setReductionOps(Vars); |
| 12238 | if (C->getModifier() == OMPC_REDUCTION_inscan) { |
| 12239 | Vars.clear(); |
| 12240 | for (unsigned i = 0; i != NumVars; ++i) |
| 12241 | Vars.push_back(Record.readSubExpr()); |
| 12242 | C->setInscanCopyOps(Vars); |
| 12243 | Vars.clear(); |
| 12244 | for (unsigned i = 0; i != NumVars; ++i) |
| 12245 | Vars.push_back(Record.readSubExpr()); |
| 12246 | C->setInscanCopyArrayTemps(Vars); |
| 12247 | Vars.clear(); |
| 12248 | for (unsigned i = 0; i != NumVars; ++i) |
| 12249 | Vars.push_back(Record.readSubExpr()); |
| 12250 | C->setInscanCopyArrayElems(Vars); |
| 12251 | } |
| 12252 | } |
| 12253 | |
| 12254 | void OMPClauseReader::VisitOMPTaskReductionClause(OMPTaskReductionClause *C) { |
| 12255 | VisitOMPClauseWithPostUpdate(C); |
| 12256 | C->setLParenLoc(Record.readSourceLocation()); |
| 12257 | C->setColonLoc(Record.readSourceLocation()); |
| 12258 | NestedNameSpecifierLoc NNSL = Record.readNestedNameSpecifierLoc(); |
| 12259 | DeclarationNameInfo DNI = Record.readDeclarationNameInfo(); |
| 12260 | C->setQualifierLoc(NNSL); |
| 12261 | C->setNameInfo(DNI); |
| 12262 | |
| 12263 | unsigned NumVars = C->varlist_size(); |
| 12264 | SmallVector<Expr *, 16> Vars; |
| 12265 | Vars.reserve(NumVars); |
| 12266 | for (unsigned I = 0; I != NumVars; ++I) |
| 12267 | Vars.push_back(Record.readSubExpr()); |
| 12268 | C->setVarRefs(Vars); |
| 12269 | Vars.clear(); |
| 12270 | for (unsigned I = 0; I != NumVars; ++I) |
| 12271 | Vars.push_back(Record.readSubExpr()); |
| 12272 | C->setPrivates(Vars); |
| 12273 | Vars.clear(); |
| 12274 | for (unsigned I = 0; I != NumVars; ++I) |
| 12275 | Vars.push_back(Record.readSubExpr()); |
| 12276 | C->setLHSExprs(Vars); |
| 12277 | Vars.clear(); |
| 12278 | for (unsigned I = 0; I != NumVars; ++I) |
| 12279 | Vars.push_back(Record.readSubExpr()); |
| 12280 | C->setRHSExprs(Vars); |
| 12281 | Vars.clear(); |
| 12282 | for (unsigned I = 0; I != NumVars; ++I) |
| 12283 | Vars.push_back(Record.readSubExpr()); |
| 12284 | C->setReductionOps(Vars); |
| 12285 | } |
| 12286 | |
| 12287 | void OMPClauseReader::VisitOMPInReductionClause(OMPInReductionClause *C) { |
| 12288 | VisitOMPClauseWithPostUpdate(C); |
| 12289 | C->setLParenLoc(Record.readSourceLocation()); |
| 12290 | C->setColonLoc(Record.readSourceLocation()); |
| 12291 | NestedNameSpecifierLoc NNSL = Record.readNestedNameSpecifierLoc(); |
| 12292 | DeclarationNameInfo DNI = Record.readDeclarationNameInfo(); |
| 12293 | C->setQualifierLoc(NNSL); |
| 12294 | C->setNameInfo(DNI); |
| 12295 | |
| 12296 | unsigned NumVars = C->varlist_size(); |
| 12297 | SmallVector<Expr *, 16> Vars; |
| 12298 | Vars.reserve(NumVars); |
| 12299 | for (unsigned I = 0; I != NumVars; ++I) |
| 12300 | Vars.push_back(Record.readSubExpr()); |
| 12301 | C->setVarRefs(Vars); |
| 12302 | Vars.clear(); |
| 12303 | for (unsigned I = 0; I != NumVars; ++I) |
| 12304 | Vars.push_back(Record.readSubExpr()); |
| 12305 | C->setPrivates(Vars); |
| 12306 | Vars.clear(); |
| 12307 | for (unsigned I = 0; I != NumVars; ++I) |
| 12308 | Vars.push_back(Record.readSubExpr()); |
| 12309 | C->setLHSExprs(Vars); |
| 12310 | Vars.clear(); |
| 12311 | for (unsigned I = 0; I != NumVars; ++I) |
| 12312 | Vars.push_back(Record.readSubExpr()); |
| 12313 | C->setRHSExprs(Vars); |
| 12314 | Vars.clear(); |
| 12315 | for (unsigned I = 0; I != NumVars; ++I) |
| 12316 | Vars.push_back(Record.readSubExpr()); |
| 12317 | C->setReductionOps(Vars); |
| 12318 | Vars.clear(); |
| 12319 | for (unsigned I = 0; I != NumVars; ++I) |
| 12320 | Vars.push_back(Record.readSubExpr()); |
| 12321 | C->setTaskgroupDescriptors(Vars); |
| 12322 | } |
| 12323 | |
| 12324 | void OMPClauseReader::VisitOMPLinearClause(OMPLinearClause *C) { |
| 12325 | VisitOMPClauseWithPostUpdate(C); |
| 12326 | C->setLParenLoc(Record.readSourceLocation()); |
| 12327 | C->setColonLoc(Record.readSourceLocation()); |
| 12328 | C->setModifier(static_cast<OpenMPLinearClauseKind>(Record.readInt())); |
| 12329 | C->setModifierLoc(Record.readSourceLocation()); |
| 12330 | unsigned NumVars = C->varlist_size(); |
| 12331 | SmallVector<Expr *, 16> Vars; |
| 12332 | Vars.reserve(NumVars); |
| 12333 | for (unsigned i = 0; i != NumVars; ++i) |
| 12334 | Vars.push_back(Record.readSubExpr()); |
| 12335 | C->setVarRefs(Vars); |
| 12336 | Vars.clear(); |
| 12337 | for (unsigned i = 0; i != NumVars; ++i) |
| 12338 | Vars.push_back(Record.readSubExpr()); |
| 12339 | C->setPrivates(Vars); |
| 12340 | Vars.clear(); |
| 12341 | for (unsigned i = 0; i != NumVars; ++i) |
| 12342 | Vars.push_back(Record.readSubExpr()); |
| 12343 | C->setInits(Vars); |
| 12344 | Vars.clear(); |
| 12345 | for (unsigned i = 0; i != NumVars; ++i) |
| 12346 | Vars.push_back(Record.readSubExpr()); |
| 12347 | C->setUpdates(Vars); |
| 12348 | Vars.clear(); |
| 12349 | for (unsigned i = 0; i != NumVars; ++i) |
| 12350 | Vars.push_back(Record.readSubExpr()); |
| 12351 | C->setFinals(Vars); |
| 12352 | C->setStep(Record.readSubExpr()); |
| 12353 | C->setCalcStep(Record.readSubExpr()); |
| 12354 | Vars.clear(); |
| 12355 | for (unsigned I = 0; I != NumVars + 1; ++I) |
| 12356 | Vars.push_back(Record.readSubExpr()); |
| 12357 | C->setUsedExprs(Vars); |
| 12358 | } |
| 12359 | |
| 12360 | void OMPClauseReader::VisitOMPAlignedClause(OMPAlignedClause *C) { |
| 12361 | C->setLParenLoc(Record.readSourceLocation()); |
| 12362 | C->setColonLoc(Record.readSourceLocation()); |
| 12363 | unsigned NumVars = C->varlist_size(); |
| 12364 | SmallVector<Expr *, 16> Vars; |
| 12365 | Vars.reserve(NumVars); |
| 12366 | for (unsigned i = 0; i != NumVars; ++i) |
| 12367 | Vars.push_back(Record.readSubExpr()); |
| 12368 | C->setVarRefs(Vars); |
| 12369 | C->setAlignment(Record.readSubExpr()); |
| 12370 | } |
| 12371 | |
| 12372 | void OMPClauseReader::VisitOMPCopyinClause(OMPCopyinClause *C) { |
| 12373 | C->setLParenLoc(Record.readSourceLocation()); |
| 12374 | unsigned NumVars = C->varlist_size(); |
| 12375 | SmallVector<Expr *, 16> Exprs; |
| 12376 | Exprs.reserve(NumVars); |
| 12377 | for (unsigned i = 0; i != NumVars; ++i) |
| 12378 | Exprs.push_back(Record.readSubExpr()); |
| 12379 | C->setVarRefs(Exprs); |
| 12380 | Exprs.clear(); |
| 12381 | for (unsigned i = 0; i != NumVars; ++i) |
| 12382 | Exprs.push_back(Record.readSubExpr()); |
| 12383 | C->setSourceExprs(Exprs); |
| 12384 | Exprs.clear(); |
| 12385 | for (unsigned i = 0; i != NumVars; ++i) |
| 12386 | Exprs.push_back(Record.readSubExpr()); |
| 12387 | C->setDestinationExprs(Exprs); |
| 12388 | Exprs.clear(); |
| 12389 | for (unsigned i = 0; i != NumVars; ++i) |
| 12390 | Exprs.push_back(Record.readSubExpr()); |
| 12391 | C->setAssignmentOps(Exprs); |
| 12392 | } |
| 12393 | |
| 12394 | void OMPClauseReader::VisitOMPCopyprivateClause(OMPCopyprivateClause *C) { |
| 12395 | C->setLParenLoc(Record.readSourceLocation()); |
| 12396 | unsigned NumVars = C->varlist_size(); |
| 12397 | SmallVector<Expr *, 16> Exprs; |
| 12398 | Exprs.reserve(NumVars); |
| 12399 | for (unsigned i = 0; i != NumVars; ++i) |
| 12400 | Exprs.push_back(Record.readSubExpr()); |
| 12401 | C->setVarRefs(Exprs); |
| 12402 | Exprs.clear(); |
| 12403 | for (unsigned i = 0; i != NumVars; ++i) |
| 12404 | Exprs.push_back(Record.readSubExpr()); |
| 12405 | C->setSourceExprs(Exprs); |
| 12406 | Exprs.clear(); |
| 12407 | for (unsigned i = 0; i != NumVars; ++i) |
| 12408 | Exprs.push_back(Record.readSubExpr()); |
| 12409 | C->setDestinationExprs(Exprs); |
| 12410 | Exprs.clear(); |
| 12411 | for (unsigned i = 0; i != NumVars; ++i) |
| 12412 | Exprs.push_back(Record.readSubExpr()); |
| 12413 | C->setAssignmentOps(Exprs); |
| 12414 | } |
| 12415 | |
| 12416 | void OMPClauseReader::VisitOMPFlushClause(OMPFlushClause *C) { |
| 12417 | C->setLParenLoc(Record.readSourceLocation()); |
| 12418 | unsigned NumVars = C->varlist_size(); |
| 12419 | SmallVector<Expr *, 16> Vars; |
| 12420 | Vars.reserve(NumVars); |
| 12421 | for (unsigned i = 0; i != NumVars; ++i) |
| 12422 | Vars.push_back(Record.readSubExpr()); |
| 12423 | C->setVarRefs(Vars); |
| 12424 | } |
| 12425 | |
| 12426 | void OMPClauseReader::VisitOMPDepobjClause(OMPDepobjClause *C) { |
| 12427 | C->setDepobj(Record.readSubExpr()); |
| 12428 | C->setLParenLoc(Record.readSourceLocation()); |
| 12429 | } |
| 12430 | |
| 12431 | void OMPClauseReader::VisitOMPDependClause(OMPDependClause *C) { |
| 12432 | C->setLParenLoc(Record.readSourceLocation()); |
| 12433 | C->setModifier(Record.readSubExpr()); |
| 12434 | C->setDependencyKind( |
| 12435 | static_cast<OpenMPDependClauseKind>(Record.readInt())); |
| 12436 | C->setDependencyLoc(Record.readSourceLocation()); |
| 12437 | C->setColonLoc(Record.readSourceLocation()); |
| 12438 | unsigned NumVars = C->varlist_size(); |
| 12439 | SmallVector<Expr *, 16> Vars; |
| 12440 | Vars.reserve(NumVars); |
| 12441 | for (unsigned I = 0; I != NumVars; ++I) |
| 12442 | Vars.push_back(Record.readSubExpr()); |
| 12443 | C->setVarRefs(Vars); |
| 12444 | for (unsigned I = 0, E = C->getNumLoops(); I < E; ++I) |
| 12445 | C->setLoopData(I, Record.readSubExpr()); |
| 12446 | } |
| 12447 | |
| 12448 | void OMPClauseReader::VisitOMPDeviceClause(OMPDeviceClause *C) { |
| 12449 | VisitOMPClauseWithPreInit(C); |
| 12450 | C->setModifier(Record.readEnum<OpenMPDeviceClauseModifier>()); |
| 12451 | C->setDevice(Record.readSubExpr()); |
| 12452 | C->setModifierLoc(Record.readSourceLocation()); |
| 12453 | C->setLParenLoc(Record.readSourceLocation()); |
| 12454 | } |
| 12455 | |
| 12456 | void OMPClauseReader::VisitOMPMapClause(OMPMapClause *C) { |
| 12457 | C->setLParenLoc(Record.readSourceLocation()); |
| 12458 | for (unsigned I = 0; I < NumberOfOMPMapClauseModifiers; ++I) { |
| 12459 | C->setMapTypeModifier( |
| 12460 | I, static_cast<OpenMPMapModifierKind>(Record.readInt())); |
| 12461 | C->setMapTypeModifierLoc(I, Record.readSourceLocation()); |
| 12462 | } |
| 12463 | C->setMapperQualifierLoc(Record.readNestedNameSpecifierLoc()); |
| 12464 | C->setMapperIdInfo(Record.readDeclarationNameInfo()); |
| 12465 | C->setMapType( |
| 12466 | static_cast<OpenMPMapClauseKind>(Record.readInt())); |
| 12467 | C->setMapLoc(Record.readSourceLocation()); |
| 12468 | C->setColonLoc(Record.readSourceLocation()); |
| 12469 | auto NumVars = C->varlist_size(); |
| 12470 | auto UniqueDecls = C->getUniqueDeclarationsNum(); |
| 12471 | auto TotalLists = C->getTotalComponentListNum(); |
| 12472 | auto TotalComponents = C->getTotalComponentsNum(); |
| 12473 | |
| 12474 | SmallVector<Expr *, 16> Vars; |
| 12475 | Vars.reserve(NumVars); |
| 12476 | for (unsigned i = 0; i != NumVars; ++i) |
| 12477 | Vars.push_back(Record.readExpr()); |
| 12478 | C->setVarRefs(Vars); |
| 12479 | |
| 12480 | SmallVector<Expr *, 16> UDMappers; |
| 12481 | UDMappers.reserve(NumVars); |
| 12482 | for (unsigned I = 0; I < NumVars; ++I) |
| 12483 | UDMappers.push_back(Record.readExpr()); |
| 12484 | C->setUDMapperRefs(UDMappers); |
| 12485 | |
| 12486 | SmallVector<ValueDecl *, 16> Decls; |
| 12487 | Decls.reserve(UniqueDecls); |
| 12488 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12489 | Decls.push_back(Record.readDeclAs<ValueDecl>()); |
| 12490 | C->setUniqueDecls(Decls); |
| 12491 | |
| 12492 | SmallVector<unsigned, 16> ListsPerDecl; |
| 12493 | ListsPerDecl.reserve(UniqueDecls); |
| 12494 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12495 | ListsPerDecl.push_back(Record.readInt()); |
| 12496 | C->setDeclNumLists(ListsPerDecl); |
| 12497 | |
| 12498 | SmallVector<unsigned, 32> ListSizes; |
| 12499 | ListSizes.reserve(TotalLists); |
| 12500 | for (unsigned i = 0; i < TotalLists; ++i) |
| 12501 | ListSizes.push_back(Record.readInt()); |
| 12502 | C->setComponentListSizes(ListSizes); |
| 12503 | |
| 12504 | SmallVector<OMPClauseMappableExprCommon::MappableComponent, 32> Components; |
| 12505 | Components.reserve(TotalComponents); |
| 12506 | for (unsigned i = 0; i < TotalComponents; ++i) { |
| 12507 | Expr *AssociatedExprPr = Record.readExpr(); |
| 12508 | auto *AssociatedDecl = Record.readDeclAs<ValueDecl>(); |
| 12509 | Components.emplace_back(AssociatedExprPr, AssociatedDecl, |
| 12510 | /*IsNonContiguous=*/false); |
| 12511 | } |
| 12512 | C->setComponents(Components, ListSizes); |
| 12513 | } |
| 12514 | |
| 12515 | void OMPClauseReader::VisitOMPAllocateClause(OMPAllocateClause *C) { |
| 12516 | C->setLParenLoc(Record.readSourceLocation()); |
| 12517 | C->setColonLoc(Record.readSourceLocation()); |
| 12518 | C->setAllocator(Record.readSubExpr()); |
| 12519 | unsigned NumVars = C->varlist_size(); |
| 12520 | SmallVector<Expr *, 16> Vars; |
| 12521 | Vars.reserve(NumVars); |
| 12522 | for (unsigned i = 0; i != NumVars; ++i) |
| 12523 | Vars.push_back(Record.readSubExpr()); |
| 12524 | C->setVarRefs(Vars); |
| 12525 | } |
| 12526 | |
| 12527 | void OMPClauseReader::VisitOMPNumTeamsClause(OMPNumTeamsClause *C) { |
| 12528 | VisitOMPClauseWithPreInit(C); |
| 12529 | C->setNumTeams(Record.readSubExpr()); |
| 12530 | C->setLParenLoc(Record.readSourceLocation()); |
| 12531 | } |
| 12532 | |
| 12533 | void OMPClauseReader::VisitOMPThreadLimitClause(OMPThreadLimitClause *C) { |
| 12534 | VisitOMPClauseWithPreInit(C); |
| 12535 | C->setThreadLimit(Record.readSubExpr()); |
| 12536 | C->setLParenLoc(Record.readSourceLocation()); |
| 12537 | } |
| 12538 | |
| 12539 | void OMPClauseReader::VisitOMPPriorityClause(OMPPriorityClause *C) { |
| 12540 | VisitOMPClauseWithPreInit(C); |
| 12541 | C->setPriority(Record.readSubExpr()); |
| 12542 | C->setLParenLoc(Record.readSourceLocation()); |
| 12543 | } |
| 12544 | |
| 12545 | void OMPClauseReader::VisitOMPGrainsizeClause(OMPGrainsizeClause *C) { |
| 12546 | VisitOMPClauseWithPreInit(C); |
| 12547 | C->setGrainsize(Record.readSubExpr()); |
| 12548 | C->setLParenLoc(Record.readSourceLocation()); |
| 12549 | } |
| 12550 | |
| 12551 | void OMPClauseReader::VisitOMPNumTasksClause(OMPNumTasksClause *C) { |
| 12552 | VisitOMPClauseWithPreInit(C); |
| 12553 | C->setNumTasks(Record.readSubExpr()); |
| 12554 | C->setLParenLoc(Record.readSourceLocation()); |
| 12555 | } |
| 12556 | |
| 12557 | void OMPClauseReader::VisitOMPHintClause(OMPHintClause *C) { |
| 12558 | C->setHint(Record.readSubExpr()); |
| 12559 | C->setLParenLoc(Record.readSourceLocation()); |
| 12560 | } |
| 12561 | |
| 12562 | void OMPClauseReader::VisitOMPDistScheduleClause(OMPDistScheduleClause *C) { |
| 12563 | VisitOMPClauseWithPreInit(C); |
| 12564 | C->setDistScheduleKind( |
| 12565 | static_cast<OpenMPDistScheduleClauseKind>(Record.readInt())); |
| 12566 | C->setChunkSize(Record.readSubExpr()); |
| 12567 | C->setLParenLoc(Record.readSourceLocation()); |
| 12568 | C->setDistScheduleKindLoc(Record.readSourceLocation()); |
| 12569 | C->setCommaLoc(Record.readSourceLocation()); |
| 12570 | } |
| 12571 | |
| 12572 | void OMPClauseReader::VisitOMPDefaultmapClause(OMPDefaultmapClause *C) { |
| 12573 | C->setDefaultmapKind( |
| 12574 | static_cast<OpenMPDefaultmapClauseKind>(Record.readInt())); |
| 12575 | C->setDefaultmapModifier( |
| 12576 | static_cast<OpenMPDefaultmapClauseModifier>(Record.readInt())); |
| 12577 | C->setLParenLoc(Record.readSourceLocation()); |
| 12578 | C->setDefaultmapModifierLoc(Record.readSourceLocation()); |
| 12579 | C->setDefaultmapKindLoc(Record.readSourceLocation()); |
| 12580 | } |
| 12581 | |
| 12582 | void OMPClauseReader::VisitOMPToClause(OMPToClause *C) { |
| 12583 | C->setLParenLoc(Record.readSourceLocation()); |
| 12584 | for (unsigned I = 0; I < NumberOfOMPMotionModifiers; ++I) { |
| 12585 | C->setMotionModifier( |
| 12586 | I, static_cast<OpenMPMotionModifierKind>(Record.readInt())); |
| 12587 | C->setMotionModifierLoc(I, Record.readSourceLocation()); |
| 12588 | } |
| 12589 | C->setMapperQualifierLoc(Record.readNestedNameSpecifierLoc()); |
| 12590 | C->setMapperIdInfo(Record.readDeclarationNameInfo()); |
| 12591 | C->setColonLoc(Record.readSourceLocation()); |
| 12592 | auto NumVars = C->varlist_size(); |
| 12593 | auto UniqueDecls = C->getUniqueDeclarationsNum(); |
| 12594 | auto TotalLists = C->getTotalComponentListNum(); |
| 12595 | auto TotalComponents = C->getTotalComponentsNum(); |
| 12596 | |
| 12597 | SmallVector<Expr *, 16> Vars; |
| 12598 | Vars.reserve(NumVars); |
| 12599 | for (unsigned i = 0; i != NumVars; ++i) |
| 12600 | Vars.push_back(Record.readSubExpr()); |
| 12601 | C->setVarRefs(Vars); |
| 12602 | |
| 12603 | SmallVector<Expr *, 16> UDMappers; |
| 12604 | UDMappers.reserve(NumVars); |
| 12605 | for (unsigned I = 0; I < NumVars; ++I) |
| 12606 | UDMappers.push_back(Record.readSubExpr()); |
| 12607 | C->setUDMapperRefs(UDMappers); |
| 12608 | |
| 12609 | SmallVector<ValueDecl *, 16> Decls; |
| 12610 | Decls.reserve(UniqueDecls); |
| 12611 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12612 | Decls.push_back(Record.readDeclAs<ValueDecl>()); |
| 12613 | C->setUniqueDecls(Decls); |
| 12614 | |
| 12615 | SmallVector<unsigned, 16> ListsPerDecl; |
| 12616 | ListsPerDecl.reserve(UniqueDecls); |
| 12617 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12618 | ListsPerDecl.push_back(Record.readInt()); |
| 12619 | C->setDeclNumLists(ListsPerDecl); |
| 12620 | |
| 12621 | SmallVector<unsigned, 32> ListSizes; |
| 12622 | ListSizes.reserve(TotalLists); |
| 12623 | for (unsigned i = 0; i < TotalLists; ++i) |
| 12624 | ListSizes.push_back(Record.readInt()); |
| 12625 | C->setComponentListSizes(ListSizes); |
| 12626 | |
| 12627 | SmallVector<OMPClauseMappableExprCommon::MappableComponent, 32> Components; |
| 12628 | Components.reserve(TotalComponents); |
| 12629 | for (unsigned i = 0; i < TotalComponents; ++i) { |
| 12630 | Expr *AssociatedExprPr = Record.readSubExpr(); |
| 12631 | bool IsNonContiguous = Record.readBool(); |
| 12632 | auto *AssociatedDecl = Record.readDeclAs<ValueDecl>(); |
| 12633 | Components.emplace_back(AssociatedExprPr, AssociatedDecl, IsNonContiguous); |
| 12634 | } |
| 12635 | C->setComponents(Components, ListSizes); |
| 12636 | } |
| 12637 | |
| 12638 | void OMPClauseReader::VisitOMPFromClause(OMPFromClause *C) { |
| 12639 | C->setLParenLoc(Record.readSourceLocation()); |
| 12640 | for (unsigned I = 0; I < NumberOfOMPMotionModifiers; ++I) { |
| 12641 | C->setMotionModifier( |
| 12642 | I, static_cast<OpenMPMotionModifierKind>(Record.readInt())); |
| 12643 | C->setMotionModifierLoc(I, Record.readSourceLocation()); |
| 12644 | } |
| 12645 | C->setMapperQualifierLoc(Record.readNestedNameSpecifierLoc()); |
| 12646 | C->setMapperIdInfo(Record.readDeclarationNameInfo()); |
| 12647 | C->setColonLoc(Record.readSourceLocation()); |
| 12648 | auto NumVars = C->varlist_size(); |
| 12649 | auto UniqueDecls = C->getUniqueDeclarationsNum(); |
| 12650 | auto TotalLists = C->getTotalComponentListNum(); |
| 12651 | auto TotalComponents = C->getTotalComponentsNum(); |
| 12652 | |
| 12653 | SmallVector<Expr *, 16> Vars; |
| 12654 | Vars.reserve(NumVars); |
| 12655 | for (unsigned i = 0; i != NumVars; ++i) |
| 12656 | Vars.push_back(Record.readSubExpr()); |
| 12657 | C->setVarRefs(Vars); |
| 12658 | |
| 12659 | SmallVector<Expr *, 16> UDMappers; |
| 12660 | UDMappers.reserve(NumVars); |
| 12661 | for (unsigned I = 0; I < NumVars; ++I) |
| 12662 | UDMappers.push_back(Record.readSubExpr()); |
| 12663 | C->setUDMapperRefs(UDMappers); |
| 12664 | |
| 12665 | SmallVector<ValueDecl *, 16> Decls; |
| 12666 | Decls.reserve(UniqueDecls); |
| 12667 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12668 | Decls.push_back(Record.readDeclAs<ValueDecl>()); |
| 12669 | C->setUniqueDecls(Decls); |
| 12670 | |
| 12671 | SmallVector<unsigned, 16> ListsPerDecl; |
| 12672 | ListsPerDecl.reserve(UniqueDecls); |
| 12673 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12674 | ListsPerDecl.push_back(Record.readInt()); |
| 12675 | C->setDeclNumLists(ListsPerDecl); |
| 12676 | |
| 12677 | SmallVector<unsigned, 32> ListSizes; |
| 12678 | ListSizes.reserve(TotalLists); |
| 12679 | for (unsigned i = 0; i < TotalLists; ++i) |
| 12680 | ListSizes.push_back(Record.readInt()); |
| 12681 | C->setComponentListSizes(ListSizes); |
| 12682 | |
| 12683 | SmallVector<OMPClauseMappableExprCommon::MappableComponent, 32> Components; |
| 12684 | Components.reserve(TotalComponents); |
| 12685 | for (unsigned i = 0; i < TotalComponents; ++i) { |
| 12686 | Expr *AssociatedExprPr = Record.readSubExpr(); |
| 12687 | bool IsNonContiguous = Record.readBool(); |
| 12688 | auto *AssociatedDecl = Record.readDeclAs<ValueDecl>(); |
| 12689 | Components.emplace_back(AssociatedExprPr, AssociatedDecl, IsNonContiguous); |
| 12690 | } |
| 12691 | C->setComponents(Components, ListSizes); |
| 12692 | } |
| 12693 | |
| 12694 | void OMPClauseReader::VisitOMPUseDevicePtrClause(OMPUseDevicePtrClause *C) { |
| 12695 | C->setLParenLoc(Record.readSourceLocation()); |
| 12696 | auto NumVars = C->varlist_size(); |
| 12697 | auto UniqueDecls = C->getUniqueDeclarationsNum(); |
| 12698 | auto TotalLists = C->getTotalComponentListNum(); |
| 12699 | auto TotalComponents = C->getTotalComponentsNum(); |
| 12700 | |
| 12701 | SmallVector<Expr *, 16> Vars; |
| 12702 | Vars.reserve(NumVars); |
| 12703 | for (unsigned i = 0; i != NumVars; ++i) |
| 12704 | Vars.push_back(Record.readSubExpr()); |
| 12705 | C->setVarRefs(Vars); |
| 12706 | Vars.clear(); |
| 12707 | for (unsigned i = 0; i != NumVars; ++i) |
| 12708 | Vars.push_back(Record.readSubExpr()); |
| 12709 | C->setPrivateCopies(Vars); |
| 12710 | Vars.clear(); |
| 12711 | for (unsigned i = 0; i != NumVars; ++i) |
| 12712 | Vars.push_back(Record.readSubExpr()); |
| 12713 | C->setInits(Vars); |
| 12714 | |
| 12715 | SmallVector<ValueDecl *, 16> Decls; |
| 12716 | Decls.reserve(UniqueDecls); |
| 12717 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12718 | Decls.push_back(Record.readDeclAs<ValueDecl>()); |
| 12719 | C->setUniqueDecls(Decls); |
| 12720 | |
| 12721 | SmallVector<unsigned, 16> ListsPerDecl; |
| 12722 | ListsPerDecl.reserve(UniqueDecls); |
| 12723 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12724 | ListsPerDecl.push_back(Record.readInt()); |
| 12725 | C->setDeclNumLists(ListsPerDecl); |
| 12726 | |
| 12727 | SmallVector<unsigned, 32> ListSizes; |
| 12728 | ListSizes.reserve(TotalLists); |
| 12729 | for (unsigned i = 0; i < TotalLists; ++i) |
| 12730 | ListSizes.push_back(Record.readInt()); |
| 12731 | C->setComponentListSizes(ListSizes); |
| 12732 | |
| 12733 | SmallVector<OMPClauseMappableExprCommon::MappableComponent, 32> Components; |
| 12734 | Components.reserve(TotalComponents); |
| 12735 | for (unsigned i = 0; i < TotalComponents; ++i) { |
| 12736 | auto *AssociatedExprPr = Record.readSubExpr(); |
| 12737 | auto *AssociatedDecl = Record.readDeclAs<ValueDecl>(); |
| 12738 | Components.emplace_back(AssociatedExprPr, AssociatedDecl, |
| 12739 | /*IsNonContiguous=*/false); |
| 12740 | } |
| 12741 | C->setComponents(Components, ListSizes); |
| 12742 | } |
| 12743 | |
| 12744 | void OMPClauseReader::VisitOMPUseDeviceAddrClause(OMPUseDeviceAddrClause *C) { |
| 12745 | C->setLParenLoc(Record.readSourceLocation()); |
| 12746 | auto NumVars = C->varlist_size(); |
| 12747 | auto UniqueDecls = C->getUniqueDeclarationsNum(); |
| 12748 | auto TotalLists = C->getTotalComponentListNum(); |
| 12749 | auto TotalComponents = C->getTotalComponentsNum(); |
| 12750 | |
| 12751 | SmallVector<Expr *, 16> Vars; |
| 12752 | Vars.reserve(NumVars); |
| 12753 | for (unsigned i = 0; i != NumVars; ++i) |
| 12754 | Vars.push_back(Record.readSubExpr()); |
| 12755 | C->setVarRefs(Vars); |
| 12756 | |
| 12757 | SmallVector<ValueDecl *, 16> Decls; |
| 12758 | Decls.reserve(UniqueDecls); |
| 12759 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12760 | Decls.push_back(Record.readDeclAs<ValueDecl>()); |
| 12761 | C->setUniqueDecls(Decls); |
| 12762 | |
| 12763 | SmallVector<unsigned, 16> ListsPerDecl; |
| 12764 | ListsPerDecl.reserve(UniqueDecls); |
| 12765 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12766 | ListsPerDecl.push_back(Record.readInt()); |
| 12767 | C->setDeclNumLists(ListsPerDecl); |
| 12768 | |
| 12769 | SmallVector<unsigned, 32> ListSizes; |
| 12770 | ListSizes.reserve(TotalLists); |
| 12771 | for (unsigned i = 0; i < TotalLists; ++i) |
| 12772 | ListSizes.push_back(Record.readInt()); |
| 12773 | C->setComponentListSizes(ListSizes); |
| 12774 | |
| 12775 | SmallVector<OMPClauseMappableExprCommon::MappableComponent, 32> Components; |
| 12776 | Components.reserve(TotalComponents); |
| 12777 | for (unsigned i = 0; i < TotalComponents; ++i) { |
| 12778 | Expr *AssociatedExpr = Record.readSubExpr(); |
| 12779 | auto *AssociatedDecl = Record.readDeclAs<ValueDecl>(); |
| 12780 | Components.emplace_back(AssociatedExpr, AssociatedDecl, |
| 12781 | /*IsNonContiguous*/ false); |
| 12782 | } |
| 12783 | C->setComponents(Components, ListSizes); |
| 12784 | } |
| 12785 | |
| 12786 | void OMPClauseReader::VisitOMPIsDevicePtrClause(OMPIsDevicePtrClause *C) { |
| 12787 | C->setLParenLoc(Record.readSourceLocation()); |
| 12788 | auto NumVars = C->varlist_size(); |
| 12789 | auto UniqueDecls = C->getUniqueDeclarationsNum(); |
| 12790 | auto TotalLists = C->getTotalComponentListNum(); |
| 12791 | auto TotalComponents = C->getTotalComponentsNum(); |
| 12792 | |
| 12793 | SmallVector<Expr *, 16> Vars; |
| 12794 | Vars.reserve(NumVars); |
| 12795 | for (unsigned i = 0; i != NumVars; ++i) |
| 12796 | Vars.push_back(Record.readSubExpr()); |
| 12797 | C->setVarRefs(Vars); |
| 12798 | Vars.clear(); |
| 12799 | |
| 12800 | SmallVector<ValueDecl *, 16> Decls; |
| 12801 | Decls.reserve(UniqueDecls); |
| 12802 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12803 | Decls.push_back(Record.readDeclAs<ValueDecl>()); |
| 12804 | C->setUniqueDecls(Decls); |
| 12805 | |
| 12806 | SmallVector<unsigned, 16> ListsPerDecl; |
| 12807 | ListsPerDecl.reserve(UniqueDecls); |
| 12808 | for (unsigned i = 0; i < UniqueDecls; ++i) |
| 12809 | ListsPerDecl.push_back(Record.readInt()); |
| 12810 | C->setDeclNumLists(ListsPerDecl); |
| 12811 | |
| 12812 | SmallVector<unsigned, 32> ListSizes; |
| 12813 | ListSizes.reserve(TotalLists); |
| 12814 | for (unsigned i = 0; i < TotalLists; ++i) |
| 12815 | ListSizes.push_back(Record.readInt()); |
| 12816 | C->setComponentListSizes(ListSizes); |
| 12817 | |
| 12818 | SmallVector<OMPClauseMappableExprCommon::MappableComponent, 32> Components; |
| 12819 | Components.reserve(TotalComponents); |
| 12820 | for (unsigned i = 0; i < TotalComponents; ++i) { |
| 12821 | Expr *AssociatedExpr = Record.readSubExpr(); |
| 12822 | auto *AssociatedDecl = Record.readDeclAs<ValueDecl>(); |
| 12823 | Components.emplace_back(AssociatedExpr, AssociatedDecl, |
| 12824 | /*IsNonContiguous=*/false); |
| 12825 | } |
| 12826 | C->setComponents(Components, ListSizes); |
| 12827 | } |
| 12828 | |
| 12829 | void OMPClauseReader::VisitOMPNontemporalClause(OMPNontemporalClause *C) { |
| 12830 | C->setLParenLoc(Record.readSourceLocation()); |
| 12831 | unsigned NumVars = C->varlist_size(); |
| 12832 | SmallVector<Expr *, 16> Vars; |
| 12833 | Vars.reserve(NumVars); |
| 12834 | for (unsigned i = 0; i != NumVars; ++i) |
| 12835 | Vars.push_back(Record.readSubExpr()); |
| 12836 | C->setVarRefs(Vars); |
| 12837 | Vars.clear(); |
| 12838 | Vars.reserve(NumVars); |
| 12839 | for (unsigned i = 0; i != NumVars; ++i) |
| 12840 | Vars.push_back(Record.readSubExpr()); |
| 12841 | C->setPrivateRefs(Vars); |
| 12842 | } |
| 12843 | |
| 12844 | void OMPClauseReader::VisitOMPInclusiveClause(OMPInclusiveClause *C) { |
| 12845 | C->setLParenLoc(Record.readSourceLocation()); |
| 12846 | unsigned NumVars = C->varlist_size(); |
| 12847 | SmallVector<Expr *, 16> Vars; |
| 12848 | Vars.reserve(NumVars); |
| 12849 | for (unsigned i = 0; i != NumVars; ++i) |
| 12850 | Vars.push_back(Record.readSubExpr()); |
| 12851 | C->setVarRefs(Vars); |
| 12852 | } |
| 12853 | |
| 12854 | void OMPClauseReader::VisitOMPExclusiveClause(OMPExclusiveClause *C) { |
| 12855 | C->setLParenLoc(Record.readSourceLocation()); |
| 12856 | unsigned NumVars = C->varlist_size(); |
| 12857 | SmallVector<Expr *, 16> Vars; |
| 12858 | Vars.reserve(NumVars); |
| 12859 | for (unsigned i = 0; i != NumVars; ++i) |
| 12860 | Vars.push_back(Record.readSubExpr()); |
| 12861 | C->setVarRefs(Vars); |
| 12862 | } |
| 12863 | |
| 12864 | void OMPClauseReader::VisitOMPUsesAllocatorsClause(OMPUsesAllocatorsClause *C) { |
| 12865 | C->setLParenLoc(Record.readSourceLocation()); |
| 12866 | unsigned NumOfAllocators = C->getNumberOfAllocators(); |
| 12867 | SmallVector<OMPUsesAllocatorsClause::Data, 4> Data; |
| 12868 | Data.reserve(NumOfAllocators); |
| 12869 | for (unsigned I = 0; I != NumOfAllocators; ++I) { |
| 12870 | OMPUsesAllocatorsClause::Data &D = Data.emplace_back(); |
| 12871 | D.Allocator = Record.readSubExpr(); |
| 12872 | D.AllocatorTraits = Record.readSubExpr(); |
| 12873 | D.LParenLoc = Record.readSourceLocation(); |
| 12874 | D.RParenLoc = Record.readSourceLocation(); |
| 12875 | } |
| 12876 | C->setAllocatorsData(Data); |
| 12877 | } |
| 12878 | |
| 12879 | void OMPClauseReader::VisitOMPAffinityClause(OMPAffinityClause *C) { |
| 12880 | C->setLParenLoc(Record.readSourceLocation()); |
| 12881 | C->setModifier(Record.readSubExpr()); |
| 12882 | C->setColonLoc(Record.readSourceLocation()); |
| 12883 | unsigned NumOfLocators = C->varlist_size(); |
| 12884 | SmallVector<Expr *, 4> Locators; |
| 12885 | Locators.reserve(NumOfLocators); |
| 12886 | for (unsigned I = 0; I != NumOfLocators; ++I) |
| 12887 | Locators.push_back(Record.readSubExpr()); |
| 12888 | C->setVarRefs(Locators); |
| 12889 | } |
| 12890 | |
| 12891 | void OMPClauseReader::VisitOMPOrderClause(OMPOrderClause *C) { |
| 12892 | C->setKind(Record.readEnum<OpenMPOrderClauseKind>()); |
| 12893 | C->setLParenLoc(Record.readSourceLocation()); |
| 12894 | C->setKindKwLoc(Record.readSourceLocation()); |
| 12895 | } |
| 12896 | |
| 12897 | OMPTraitInfo *ASTRecordReader::readOMPTraitInfo() { |
| 12898 | OMPTraitInfo &TI = getContext().getNewOMPTraitInfo(); |
| 12899 | TI.Sets.resize(readUInt32()); |
| 12900 | for (auto &Set : TI.Sets) { |
| 12901 | Set.Kind = readEnum<llvm::omp::TraitSet>(); |
| 12902 | Set.Selectors.resize(readUInt32()); |
| 12903 | for (auto &Selector : Set.Selectors) { |
| 12904 | Selector.Kind = readEnum<llvm::omp::TraitSelector>(); |
| 12905 | Selector.ScoreOrCondition = nullptr; |
| 12906 | if (readBool()) |
| 12907 | Selector.ScoreOrCondition = readExprRef(); |
| 12908 | Selector.Properties.resize(readUInt32()); |
| 12909 | for (auto &Property : Selector.Properties) |
| 12910 | Property.Kind = readEnum<llvm::omp::TraitProperty>(); |
| 12911 | } |
| 12912 | } |
| 12913 | return &TI; |
| 12914 | } |
| 12915 | |
| 12916 | void ASTRecordReader::readOMPChildren(OMPChildren *Data) { |
| 12917 | if (!Data) |
| 12918 | return; |
| 12919 | if (Reader->ReadingKind == ASTReader::Read_Stmt) { |
| 12920 | // Skip NumClauses, NumChildren and HasAssociatedStmt fields. |
| 12921 | skipInts(3); |
| 12922 | } |
| 12923 | SmallVector<OMPClause *, 4> Clauses(Data->getNumClauses()); |
| 12924 | for (unsigned I = 0, E = Data->getNumClauses(); I < E; ++I) |
| 12925 | Clauses[I] = readOMPClause(); |
| 12926 | Data->setClauses(Clauses); |
| 12927 | if (Data->hasAssociatedStmt()) |
| 12928 | Data->setAssociatedStmt(readStmt()); |
| 12929 | for (unsigned I = 0, E = Data->getNumChildren(); I < E; ++I) |
| 12930 | Data->getChildren()[I] = readStmt(); |
| 12931 | } |
| 12932 | |